• 21P/Giacobini-Zinner   2019 February 25 18.05 - 19.13 UT, 21 x 120 s, ISO800, Canon EOS 6D MkII, TSAPO100Q, Köditz centered on comet Steffen Fritsche
• 21P/Giacobini-Zinner   2019 February 24 10:09 UT, Planewave 431mm CDK f/6,8, FLI PL16803, 300s, T 16,7 mag, N 18,3 mag (10"x10"-Box 17,75 mag), Koma 17", Siding Spring, Australia, Remote, Michael Hauss
• 21P/Giacobini-Zinner   2019 February 23 18.49 - 19.39 UT, 18 x 120 s, ISO800, Canon EOS 6D MkII, TSAPO100Q, Köditz centered on comet Steffen Fritsche
• 21P/Giacobini-Zinner   2019 January 12 13:09 UT, 12,5" RCOS Star Instruments f/9, Apogee Aspen CG16070, 300s, T 14,2 mag, N 16,7 mag (10"x10": 15,92 mag), Koma 30", Siding Spring, Australien, Remote, Michael Hauss
• 21P/Giacobini-Zinner   2018 December 30 07:48 UT, 3x300s, m=15.3, 11" SCT f/6.4, STF-8300M, Mike Olason, Denver Colorado
• 21P/Giacobini-Zinner   2018 December 30 07:48 UT, 4x300s Gif, m=15.3, 11" SCT f/6.4, STF-8300M, Mike Olason, Denver Colorado
• 21P/Giacobini-Zinner   2018 October 27 17h10m(UT) 10"SCT F/6.3 SBIG ST2000XM TYGA TW. 台灣 大溪天文台 Young Chiech Tsao
• 21P/Giacobini-Zinner   2018 October 18 2.00 UT, 2x270sec.Tele 280/4.8 ASI 1600 Michael Jäger Weißenkirchen
• 21P/Giacobini-Zinner   2018 October 15 03.26 - 04.05 UT, 28 x 60 s, ISO 800, Canon EOS 6D MkII, TSAPO100Q, Köditz centered on comet Steffen Fritsche
• 21P/Giacobini-Zinner   2018 October 15 03.26 - 04.05 UT, 28 x 60 s, ISO 800, Canon EOS 6D MkII, TSAPO100Q, Köditz centered on comet Steffen Fritsche
• 21P/Giacobini-Zinner   2018 October 14 04.26 UT, Newton 200/570 ATIK 383L 1 x 120 sec. DDP Stefan Beck
• 21P/Giacobini-Zinner   2018 October 14 04.14 UT, Newton 200/570 ATIK 383L 8 x 90 sec. DDP Stefan Beck
• 21P/Giacobini-Zinner   2018 October 14 03.32 - 04.14 UT, 29 x60 s, ISO800, Canon EOS 6D MkII, TSAPO100Q, Köditz centered on comet Steffen Fritsche
• 21P/Giacobini-Zinner   2018 October 14 03.00 UT, Newton 200/1000 mm, 7x2 min. mit ASI294MC Pro, 9.5:mag, Koma 2.2min , Schweif 10.5min PW=279°, Nordschwarzwald Dieter Schubert
• 21P/Giacobini-Zinner   2018 October 14 03:09:18 (UT), 60s exp., 0.7-m (f/4) L + FLI PL47-10 + R filter, 0.95"/pixel. m2=14.1, Coma 2.8 min., DC 4. Tail > 12 min. long spread in p.a. 265-289 deg. Alexander Baransky, Kyiv comet station (MPC 585), Ukraine
• 21P/Giacobini-Zinner   2018 October 14 03.00 UT, Newton 200/1000 mm, 15x2 min., ASI294MC Pro, 9.5:m, Koma 2min , Schweif 10.5min PW=279°, Stack auf Komet, Nordschwarzwald Dieter Schubert
• 21P/Giacobini-Zinner   2018 October 13 03.33 - 04.12 UT, 28 x 60 s, ISO 800, Canon EOS 6D MkII, TSAPO100Q, Köditz centered on comet Steffen Fritsche
• 21P/Giacobini-Zinner   2018 October 13 01:05:36 (UT), 420s exp. (7x60s), 0.7-m (f/4) L + FLI PL47-10 + R filter, 0.95"/pixel. m2=13.8, Coma 2.2 min., DC 4. Tail > 12 min. long spread in p.a. 254-311 deg. Alexander Baransky, Kyiv comet station (MPC 585), Ukraine
• 21P/Giacobini-Zinner   2018 October 13 01:16:39 (UT), 60s exp., 0.7-m (f/4) L + FLI PL47-10 + R filter, 0.95"/pixel. m2=13.9, Coma 1.2 min., DC 4. Tail > 12 min. long spread in p.a. 256-305 deg. Alexander Baransky, Kyiv comet station (MPC 585), Ukraine
• 21P/Giacobini-Zinner   2018 October 11 3:30 UT, 15 x 200 s , Takahashi Epsilon 130D, Canon 6Da Norbert Mrozek
• 21P/Giacobini-Zinner   2018 October 11 01:15:54 (UT), 60s exp., 0.7-m (f/4) L + FLI PL47-10 + R filter, 0.95"/pixel. m2=14.0, Coma 1.7 min., DC 4. Tail > 8 min. long spread in p.a. 273 deg. Haze. Alexander Baransky, Kyiv comet station (MPC 585), Ukraine
• 21P/Giacobini-Zinner   2018 October 10 01h57m UT, LRGB 18/15/15/15 min. 12" f/3.6 Astrograph. FLI ML 16200 Farm Tivoli, Namibia, Remote, Gerald Rhemann
• 21P/Giacobini-Zinner   2018 October 10 3:20 UT, Takahashi Epsilon 130D, Canon 6Da 10 x 3 min. Iso 3200, Idas-Filter Norbert Mrozek
• 21P/Giacobini-Zinner   2018 October 09 3.15 UT, Takahashi Epsilon 130D, Canon 6Da, 10 x 2 min. Iso 3200, Idas-Filter Norbert Mrozek
• 21P/Giacobini-Zinner   2018 October 09 3:42-4:04 UT. Gartensternwarte Hauzenberg, Bayern, Esprit 80/400, Canon EOS 60da, 8 x 180s, ISO 800 Markus Kohl
• 21P/Giacobini-Zinner   2018 October 07 17:13 UT, Planewave 431mm CDK f/6,8, FLI PL16803, 300s, T 9,4 mag, N 12,8 mag (10"x10"-Box 12,50 mag), Koma 2,2min , Schweif 17,5min PA 277°, Afroh 254, M50, Siding Spring, Australia, Remote, Michael Hauss
• 21P/Giacobini-Zinner   2018 October 07 17:21 UT, Planewave 20" CDK f/4,5, FLI PL09000, 300s, T 9,1 mag, N 12,6 mag (10"-Box 12,30 mag), Koma 3,2min , Schweif 17,5min PA 277°, Afroh 306, M50, Siding Spring, Australien, Remote, Michael Hauss
• 21P/Giacobini-Zinner   2018 October 06 2.51 UT, 7x400sec.Tele f-280/4.8 ASI 1600 1x1 Michael Jäger
• 21P/Giacobini-Zinner   2018 October 06 02.20 - 03.30 UT, 30 x 120 s, 10"-Newton f/4, Canon 1100Da, CLS-Filter, Leipzig, Deutschland Ronald Legler
• 21P/Giacobini-Zinner   2018 October 06 3.48 UT, 400sec.Tele 280/4.8 ASI 1600 Michael Jäger Weißenkirchen
• 21P/Giacobini-Zinner   2018 October 06 01:19:47 (UT), 30s exp., 0.7-m (f/4) L + FLI PL47-10 + R filter, 0.95"/pixel. m2=12.5, Coma 2 min., DC 4. Tail > 10 min. long spread in p.a. 219-350 deg. Alexander Baransky, Kyiv comet station (MPC 585), Ukraine
• 21P/Giacobini-Zinner   2018 October 06 23:21 UT, 53x30 sec, 300 mm, F/5.6, Pentax K-3, ISO 2200 Mikhail Maslov, Novosibirsk region, Russia
• 21P/Giacobini-Zinner   2018 October 05 03.25 UT, 99x10sec, Takahashi E130D, ZWO ASI178mono, Baader UV-IR, Leopoldshöhe, Germany Oliver Schneider
• 21P/Giacobini-Zinner   2018 October 05 03.33 - 03.54 UT, 14 x 60 s, ISO800, Canon EOS 6D MkII, TSAPO100Q, Köditz centered on comet Steffen Fritsche
• 21P/Giacobini-Zinner   2018 October 05 03.33 - 03.54 UT, 14 x 60 s, ISO800, Canon EOS 6D MkII, TSAPO100Q, Köditz centered on comet Steffen Fritsche
• 21P/Giacobini-Zinner   2018 September 30 3h20m(AM) C/21P 赤經:06h49m03s 赤緯:+01d40min 02" 彗尾約9-10min 目視觀測7.8等 8cm 導星鏡 21倍 Young Chiech Tsao
• 21P/Giacobini-Zinner   2018 September 30 02.11 - 02.47 UT, 26 x 60 s, ISO800, Canon EOS 6D MkII, TSAPO100Q, Köditz centered on comet Steffen Fritsche
• 21P/Giacobini-Zinner   2018 September 30 02.11 - 02.47 UT, 26 x 60 s, ISO800, Canon EOS 6D MkII, TSAPO100Q, Farbe, Köditz centered on comet Steffen Fritsche
• 21P/Giacobini-Zinner   2018 September 30 02.11 - 02.47 UT, 26 x 60 s, ISO800, Canon EOS 6D MkII, TSAPO100Q, mit NGC 2282, Köditz centered on star Steffen Fritsche
• 21P/Giacobini-Zinner   2018 September 28 3.50 UTC +2, 120min min Asahi Pentax 135mm Super Takumar f.3.5, Canon 1200Da - IDAS LPS D2 Filter Alberto Negro, Verbania - Italy
• 21P/Giacobini-Zinner   2018 September 28 03.09 - 03.33 UT, 17 x 60 s, ISO800, Canon EOS 6D MkII, TSAPO100Q, Köditz centered on comet Steffen Fritsche
• 21P/Giacobini-Zinner   2018 September 27 2.20 UT, Takahashi Epsilon 130 D, Canon 6Da, 120 x 20 s Iso 6400, Filter Baader UHCs Norbert Mrozek
• 21P/Giacobini-Zinner   2018 September 27 01h33m UT, 12" f 3.6, FLI ML 16200 Mosaik aus zwei Feldern HALRGB 12/10,5//6/6/6 min. pro Feld Komet m Rosettennebel Gerald Rhemann
• 21P/Giacobini-Zinner   2018 September 25 03:09 UT, 30 x 45s 0.4-m f/3.8 Orion Optics AG16 Newton SBIG STL-6303E B96 - BRIXIIS, Belgium Erik Bryssinck
• 21P/Giacobini-Zinner   2018 September 21 3h25 UTC Mewlon 250 CRS 96x & 250x, with and without, SWAN filter Michel Deconinck Artignosc-sur-Verdon France
• 21P/Giacobini-Zinner   2018 September 20 21:35 UT, 63x30 sec, 854 mm, F/2.8, Pentax K-3, ISO 2200, Novosibirsk region, Russia Mikhail Maslov
• 21P/Giacobini-Zinner   2018 September 20 02.59 - 04.12 UT, RGB 39/39/39min 2x2, 8" f4.6, G3-16200 Thomas Schönpos
• 21P/Giacobini-Zinner   2018 September 20 02.59 - 04.12 UT, RGB 39/39/39min 2x2, 8" f4.6, G3-16200 (Crop) Thomas Schönpos
• 21P/Giacobini-Zinner   2018 September 20 01.59 - 04.12 UT, RGB 39/39/39min 2x2, 8" f4.6, G3-16200 Thomas Schönpos
• 21P/Giacobini-Zinner   2018 September 19 02.05 - 02.43 UT, 23 x 60 s, TSAPO100Q, Canon EOS 6D MkII, ISO1600, Schweif 2°, Köditz centered on comet Steffen Fritsche
• 21P/Giacobini-Zinner   2018 September 19 02.05 - 02.43 UT, 23 x 60 s, TSAPO100Q, Canon EOS 6D MkII, ISO1600, Köditz centered on comet Steffen Fritsche
• 21P/Giacobini-Zinner   2018 September 18 01:55 UT, 4x 90sec, 16" f/2.5, SBIG 8300M, bin2 Roland Fichtl
• 21P/Giacobini-Zinner   2018 September 18 02.09 UT, Newton 200/570 ATIK 383L 4 x 120 sec. DDP Stefan Beck
• 21P/Giacobini-Zinner   2018 September 18 02.16 UT, Newton 200/570 ATIK 383L 1 x 180 sec. Stefan Beck
• 21P/Giacobini-Zinner   2018 September 18 02:53-03:42 UT, 141 x 15 sec, Canon EOS 600Da, Canon EF 200 mm f/2.8 @ f/2.8, ISO 1600, Witthoh / Deutschland, Farbige Version Robin Hegenbarth
• 21P/Giacobini-Zinner   2018 September 18 02:53-03:42 UT, 141 x 15 sec, Canon EOS 600Da, Canon EF 200 mm f/2.8 @ f/2.8, ISO 1600, Witthoh / Deutschland, Monochrome Version Robin Hegenbarth
• 21P/Giacobini-Zinner   2018 September 18 02:53-03:32 UT, 141 x 15 sec, Canon EF 200 mm f/2.8 @ f/2.8, ISO 1600, Witthoh / Deutschland, mit Beschriftung der Nebel Robin Hegenbarth
• 21P/Giacobini-Zinner   2018 September 18 02.22 UT, Newton 200/570 ATIK 383L LRGB, 1 x 180 sec. L + 3 x 120 sec. RGB Stefan Beck
• 21P/Giacobini-Zinner   2018 September 18 02h37m UT, LRGB 14//12/12/12 min, 12" f 3.6, FLI ML 16200 Gerald Rhemann
• 21P/Giacobini-Zinner   2018 September 18 2018 September 18 02.24 - 03.26 UT, RGB 18/18/18min 2x2, 8" f4.6, G3-16200 Thomas Schönpos
• 21P/Giacobini-Zinner   2018 September 18 18:42 UT, 54x30 sec, 854 mm, F/2.8, Pentax K-3, ISO 2200, Novosibirsk region, Russia Mikhail Maslov
• 21P/Giacobini-Zinner   2018 September 18 21:28 UT, 67x30 sec, 77 mm, F/6.7, Pentax K-3, ISO 2200, Novosibirsk region, Russia Mikhail Maslov
• 21P/Giacobini-Zinner   2018 September 17 02.17-02.33 UT, 5x3min. ,EOS1200D+200L auf Star Adventurer, ISO800 f/3.5 Oliver Aders
• 21P/Giacobini-Zinner   2018 September 17 00h47m UT, 12" f 3.6, FLI ML 16200, Exposure time: Mosaic of four panels HALRGB 12/10,5//6/6/6 min. each Gerald Rhemann
• 21P/Giacobini-Zinner   2018 September 17 01:24 - 02:48 UT, 47x2min, Takahashi E130D, Sony A 7 selbst modifiziert, Leopoldshöhe, Deutschland Oliver Schneider
• 21P/Giacobini-Zinner   2018 September 17 03:10 + 03:35 UT, 50 x 30 sec., Canon EOS 6D und STL11000 LRGB (je Kanal 4x600 sec.), Teleobjektiv 200 mm Blende 4, Much, Bergisches Land, Germany Stefan Binnewies
• 21P/Giacobini-Zinner   2018 September 17 Takahashi Epsilon 130 D, 60 x 1 min. Iso 6400 Norbert Mrozek
• 21P/Giacobini-Zinner   2018 September 17 20:22 UT, 65x30 sec, 300 mm, F/5.6, Pentax K-3, ISO 2200, Novosibirsk region, Russia Mikhail Maslov
• 21P/Giacobini-Zinner   2018 September 17 20:14 UT, 65x30 sec, 77 mm, F/2.8, Pentax K-3, ISO 2200, Novosibirsk region, Russia Mikhail Maslov
• 21P/Giacobini-Zinner   2018 September 16 01.08 - 01.51 UT, 30 x 60 s, ISO1600, Canon EOS 6D MkII, TSAPO100Q, Köditz centered on comet Steffen Fritsche
• 21P/Giacobini-Zinner   2018 September 16 00:35-02:04 UT, Fuji XH1+1.4/85 Blende 2.8 9x2min+7x4min mit Deep-Sky-Filter ISO 12800 Tiefenbachferner/Ötztaler Alpen Uwe Wohlrab
• 21P/Giacobini-Zinner   2018 September 16 7:42 UT, 4 x 60 seconds, Borg 77 mm F/6.62, SBIG ST-i, Fleetville, Penna, USA John D Sabia
• 21P/Giacobini-Zinner   2018 September 15 Technical data on the image Danilo Pivato - Rome (Italy)
• 21P/Giacobini-Zinner   2018 September 14 3h30 UTC Mewlon 250 CRS 96x & 156x, with and without, SWAN filter Michel Deconinck Artignosc-sur-Verdon France
• 21P/Giacobini-Zinner   2018 September 14 19:14 UT, 51x30 sec, 854 mm, F/2.8, Pentax K-3, ISO 2200, Novosibirsk, Russia Mikhail Maslov
• 21P/Giacobini-Zinner   2018 September 14 21:01 UT, 68x30 sec, 77 mm, F/6.7, Pentax K-3, ISO 2200, Novosibirsk region, Russia Mikhail Maslov
• 21P/Giacobini-Zinner   2018 September 14 01:35 UT, 23 x 200 Sek., ASA 8"f2.8, FLI ML8300 CCD, Remote Südfrankreich, Remote, David Bender
• 21P/Giacobini-Zinner   2018 September 13 09:38 UT, 10 x 45s 0.51-m f/4.5 Planewave ODK20 SBIG STL-6303E H06 - New Mexico, USA, Remote, Erik Bryssinck
• 21P/Giacobini-Zinner   2018 September 12 05:00 LT RC 20" at F/4.2 16min tot exp Ci.A.O. Cimini Astronomical Observatory - Italy
• 21P/Giacobini-Zinner   2018 September 12 2.12 UT, 12x90sec. ,Objektiv 180mm F4,5,ISO 800,EOS 1000D,Nettetal Udo Steeds
• 21P/Giacobini-Zinner   2018 September 12 01:15 UT, Newton 8", f4.5, Canon MIII, ISO 3200, 2x40Sec Thorsten Böckel
• 21P/Giacobini-Zinner   2018 September 12 1h02 UT, 20x20s, 16" Ritchey Chretien, Sbig STL1001e, Saint jacques sur Darnétal, France Vauquelin Bruno,Saint jacques sur Darnétal, France
• 21P/Giacobini-Zinner   2018 September 12 0h31 UT, 7x300s, Pentax 75SDHF, Alta U8300, Saint jacques sur Darnétal, France Vauquelin Bruno,Saint jacques sur Darnétal, France
• 21P/Giacobini-Zinner   2018 September 12 01.17 -02.10 UT, 38 x 60 s, ISO1600, TSAPO100Q, Canon EOS 6D MkII, Köditz centered on comet Steffen Fritsche
• 21P/Giacobini-Zinner   2018 September 12 2.00 UT, 40x30sec.12"/4 ASI 1600 2x2 Michael Jäger
• 21P/Giacobini-Zinner   2018 September 11 02.25 UT, 2x90sec,Objektiv 180mm,F4,5,ISO 800,EOS 1000D ,Nettetal Udo Steeds
• 21P/Giacobini-Zinner   2018 September 11 01.22 UT, Newton 200/570 ATIK 383L 10 sec. bin 2x2, near M37 Stefan Beck
• 21P/Giacobini-Zinner   2018 September 11 01.37 UT, Newton 200/570 ATIK 383L 20 sec. bin 1x1, near M37 Stefan Beck
• 21P/Giacobini-Zinner   2018 September 11 02.06 UT, Newton 200/570 ATIK 383L 8 x 120 sec. near M37 Stefan Beck
• 21P/Giacobini-Zinner   2018 September 11 01.59 UT, Newton 200/570 ATIK 383L 1 x 120 sec. Stefan Beck
• 21P/Giacobini-Zinner   2018 September 11 01:06-01:09 UT, 25cm F/3.3 Deltagraph + Fuji XT20 6x15s ISO 25600 Rettenbachferner/Ötztaler Alpen Uwe Wohlrab
• 21P/Giacobini-Zinner   2018 September 11 00:02-00:45 UT, Fuji XH1+1.4/85 Blende 2.8 18x30s + 5x2min mit Deep-Sky-Filter ISO 12800 Rettenbachferner/Ötztaler Alpen Uwe Wohlrab
• 21P/Giacobini-Zinner   2018 September 10 10:305 UT, Takahashi FSQ-106 f/5.0, SBIG STL-11000M, Mosaic of 2 tiles, 9 min. each., Remote, José J. Chambó (New Mexico, USA)
• 21P/Giacobini-Zinner   2018 September 10 01:35 UT, 4x 1min, 16" f/2.5, CDS-5D Roland Fichtl
• 21P/Giacobini-Zinner   2018 September 10 02.35 UT, Objektiv 1.2,8, f=135mm 20 X 6 sec. Manfred Chudy
• 21P/Giacobini-Zinner   2018 September 09 02:02 - 02:36, RGB each 30x20 sec.with an 10" F/4 using a ASI183MM Pro from Frankfurt Nikolas Hericks
• 21P/Giacobini-Zinner   2018 September 09 Technical data on the image Danilo Pivato - Rome (ITaly)
• 21P/Giacobini-Zinner   2018 September 09 02.34 UTC 1x40sec.Iso3200 GSO Newton D150mm f5 Canon 1200D Villach Austria Gerald Lenger
• 21P/Giacobini-Zinner   2018 September 09 00h27m UT, 12" f/3.6 ASA Astrograph , FLI ML16200 Mosaik aus zwei Feldern HALRGB 8/18/12/12/12 min. pro Bild Gerald Rhemann
• 21P/Giacobini-Zinner   2018 September 09 01:11 UT, 5 x 200 Sek., ASA 8"f2.8, FLI ML8300 CCD, Remote Südfrankreich, Remote, David Bender
• 21P/Giacobini-Zinner   2018 September 09 00.55 UT, Newton 355/1600 mm, 5x30 sec. mit Canon EOS 1200D, ISO 6400, 7m5:, Koma 7.5min , Schweif 30.5min (0.50°), PW=276°, Schwäbische Alb Dieter Schubert
• 21P/Giacobini-Zinner   2018 September 09 01.35 UT, Newton 355/1600 mm, 114x, Dieter Schubert
• 21P/Giacobini-Zinner   2018 September 08 01:30 - 03:00 UT, 65 x 1 min. und 50 x 30 sec., EOS 600Da und EOS 6D mit 200 mm Teleobjektiv (Blende 4), Much, Bergisches Land, Deutschland. Stefan Binnewies
• 21P/Giacobini-Zinner   2018 September 08 00:53 UT, 15 x 200 Sek., ASA 8"f2.8, FLI ML8300 CCD, Remote Südfrankreich, Remote, David Bender
• 21P/Giacobini-Zinner   2018 September 08 23:16-00:32 UT, 25cm F/3.3 Deltagraph + Fuji XT20 63x30s ISO 12800 Tiefenbachferner/Ötztaler Alpen Uwe Wohlrab
• 21P/Giacobini-Zinner   2018 September 08 23:49-00:24 UT, Fuji XH1+1.4/85 Blende 2.8 16x40s + 3x2min mit Deep-Sky-Filter ISO 12800 Tiefenbachferner/Ötztaler Alpen Uwe Wohlrab
• 21P/Giacobini-Zinner   2018 September 07 0.41 Refractor Telescope 4 inches. Camera: Mallincam mini. Hermosillo, Sonora, Mexico Salvador Aguirre, Hillo, Mex.
• 21P/Giacobini-Zinner   2018 September 07 00.55 UT, 10x3min filter UV/IR 5x210sec. Blau 210 Grün 210 Rot ASA 8/2.8 ASI 1600 1x1bin Michael Jäger
• 21P/Giacobini-Zinner   2018 September 07 01h21m UT, LRGB 14//12/12/12 min, 12" f 3.6, FLI ML 16200 Gerald Rhemann
• 21P/Giacobini-Zinner   2018 September 06 02:00 LT Refractor APM 203mm F/9 at F/6 STL1001E L_IdasRGB 20min tot exp Ci.A.O. Cimini Astronomical Observatory - Italy
• 21P/Giacobini-Zinner   2018 September 06 23:24 UT, - 23:36 UT, 5x120s, Skywatcher Esprit 150, Reducer 0,75- fach, Canon EOS 60da Markus Kohl
• 21P/Giacobini-Zinner   2018 September 06 23:24 UT, - 23:36 UT, 5x120s, Skywatcher Esprit 150, Reducer 0,75- fach, Canon EOS 60da Markus Kohl
• 21P/Giacobini-Zinner   2018 September 06 00.08 - 01.03 UT, 13 x 120 s, ISO800, TSAPO100Q, Canon EOS 6D MkII, Köditz centered on comet Steffen Fritsche
• 21P/Giacobini-Zinner   2018 September 05 23:30 UT, 5x 1min, 16" f/2.5, CDS-5D Roland Fichtl
• 21P/Giacobini-Zinner   2018 September 05 01.21 - 02.02 UT, 17 x 120 s, ISO800, TSAPO100Q, Canon EOS 6D MkII, Köditz centered on comet Steffen Fritsche
• 21P/Giacobini-Zinner   2018 September 05 23.23. UT, 55x40 sec.12"/4 ASI 1600 1x1 Michael Jäger
• 21P/Giacobini-Zinner   2018 September 05 23.23. GIF UT, 55x40 sec.12"/4 ASI 1600 1x1 Michael Jäger
• 21P/Giacobini-Zinner   2018 September 04 Technical data on the image Danilo Pivato Rome (Italy)
• 21P/Giacobini-Zinner   2018 September 04 22:20 UT, 5x45 sec. Newton 150/750, Canon 6D, Steinbach Moritzburg Thomas Böhme
• 21P/Giacobini-Zinner   2018 September 04 02.14 UTC+0200 15x45min min for each filter 4min min Apo Refractor, QHY 163M - Verbania, Italy Alberto Negro - Verbania, Italy
• 21P/Giacobini-Zinner   2018 September 04 2.43 UTC +2.00, 15x45min min LRGB Qhy163M Apo 4min min Refractor, Verbania, Italy Alberto Negro, Verbania - Italy
• 21P/Giacobini-Zinner   2018 September 04 22:10 h UT. 32-cm-Dobson@80x Uwe Pilz
• 21P/Giacobini-Zinner   2018 September 02 22:37 UT, 20 x 45s 0.4-m f/3.8 Orion Optics AG16 Newton SBIG STL-6303E B96 - BRIXIIS, Belgium Erik Bryssinck
• 21P/Giacobini-Zinner   2018 September 01 03.22 UT, Objektiv 1.2,8, f=135mm 20 X 6 sec. Manfred Chudy
• 21P/Giacobini-Zinner   2018 September 01 22:36 UT, 20 x 45s 0.4-m f/3.8 Orion Optics AG16 Newton SBIG STL-6303E B96 - BRIXIIS, Belgium Erik Bryssinck
• 21P/Giacobini-Zinner   2018 August 31 22:52 UT, 20 x 45s 0.4-m f/3.8 Orion Optics AG16 Newton SBIG STL-6303E B96 - BRIXIIS, Belgium Erik Bryssinck
• 21P/Giacobini-Zinner   2018 August 28 21.56 - 22.30 UT, 26 x 60 s, ISO800, Canon EOS 6D MkII, TSAPO100Q, Köditz centered on comet Steffen Fritsche
• 21P/Giacobini-Zinner   2018 August 27 Technical data on the image Danilo Pivato - Rome (Italy)
• 21P/Giacobini-Zinner   2018 August 25 22.18 UT, Objektiv 1.2,8, f=135mm 20 X 6 sec. Manfred Chudy
• 21P/Giacobini-Zinner   2018 August 23 1.26 UT, 7x3min Blau Rot und Grün je 3 min. 12"/4 ASI 1600 2x2 Michael Jäger
• 21P/Giacobini-Zinner   2018 August 23 1.26 UT, 7x3min Blau Rot und Grün je 3 min. 12"/4 ASI 1600 Michael Jäger
• 21P/Giacobini-Zinner   2018 August 22 00:25 UT, 5x 2min, 16" f/2.5, CDS-5D Roland Fichtl
• 21P/Giacobini-Zinner   2018 August 22 00.46 UTC +02.00 Canon 300 2.8 FD, QHY163M, 27x30min min for LRGB. Verbania Italy Alberto Negro, Verbania, Italy
• 21P/Giacobini-Zinner   2018 August 22 00.23 UT, RGB 270/270/6x270 sec. 8"/2.8 ASA, ASI 1600 2x2 Michael Jäger
• 21P/Giacobini-Zinner   2018 August 22 0:14- 1:14 UTC, 116x 30 sec., TS60ED, TS 0.79 Flatterner, Canon 600D, Vixen Polarie, Greetsiel, Germany Christian Detjen
• 21P/Giacobini-Zinner   2018 August 22 2018-08-22T02:08 UT, 1x100s, OOCT8, Atik383L, Szczecin, Poland Zdzisław Kołtek
• 21P/Giacobini-Zinner   2018 August 22 22:37 UT, 20 x 30s 0.4-m f/3.8 Orion Optics AG16 Newton SBIG STL-6303E B96 - BRIXIIS, Belgium Erik Bryssinck
• 21P/Giacobini-Zinner   2018 August 21 23h32m UT, 10x4 min. , ASA 12" f 3.6, ASI ZWO 294 Color Gerald Rhemann
• 21P/Giacobini-Zinner   2018 August 21 02:22 UT, Centurion 18" CRC f/2.8 & SBIG STL-11000M, 88 min. total exposure. J.Chambó/M.Serra/J.Licandro (Teide Observatory, Spain)
• 21P/Giacobini-Zinner   2018 August 20 03.10 UT, , 2018.08.20 , 33 x 120 sec. , VMC 200L , 70D , Gülpe André Schäfer
• 21P/Giacobini-Zinner   2018 August 20 03:04 UT, Centurion 18" CRC f/2.8 & SBIG STL-11000M (L), GSO 8" N f/3.8 & Atik 383L+ (RGB), 112 min. total exposure. J.Chambó/M.Serra/J.Licandro (Teide Observatory/Hoya Redonda, Spain)
• 21P/Giacobini-Zinner   2018 August 20 2h30 UTC Vixen bino 37x, Artignosc-sur-Verdon France Michel Deconinck Artignosc-sur-Verdon France
• 21P/Giacobini-Zinner   2018 August 19 23:05 UT, 20x 2min, 16" f/2.5, CDS-5D Roland Fichtl
• 21P/Giacobini-Zinner   2018 August 19 22:22-22:59 UTC, 29x69s, Takahashi FSQ-106ED (f/5), Canon EOS 450Da (ISO 800), Einzelbilder auf den Kometenkern zentriert und aufaddiert. Bildgröße auf 50% der Originalgröße reduziert. Frank Brandl
• 21P/Giacobini-Zinner   2018 August 19 Start 23:08 UT, 43 x 90 s, Ritchey Crétiene RC8 f=1600mm 1:8, Sony a7II astromodifiziert, Karlsruhe, Deutschland Harald Kaiser
• 21P/Giacobini-Zinner   2018 August 19 23.00 UT, RGB 3 x 1 min, NAG 33 cm f/2,7, g-2, D-Gärtringen Andreas Beck
• 21P/Giacobini-Zinner   2018 August 19 T22:21 UT, 30x180s, CT8, Atik383L, Szczecin, Poland Zdzisław Kołtek, Poland
• 21P/Giacobini-Zinner   2018 August 18 Technical data on the image Danilo Pivato - Rome - Italy
• 21P/Giacobini-Zinner   2018 August 18 23.18 UT, 5x300sec.f-135mm/3.4 ASI 1600 1x1 Michael Jäger
• 21P/Giacobini-Zinner   2018 August 18 21:30 UT, 21 x 30 sec., ISO3200, 356/1601mm Maksutovnewton, Canon Eos 6D, Sternwarte Radebeul Thomas Böhme
• 21P/Giacobini-Zinner   2018 August 18 01.20 UT, L 18x2min R 6x2min G 6x2min B 6x2min, 12" Newtonian, QSI660, Nussbach / Austria Bernhard Hubl
• 21P/Giacobini-Zinner   2018 August 18 00.12 - 00.33 UT, Blue 4x300s, ASA 8"f2.8, FLI ML8300 CCD CCD, Südfrankreich, Remote, Martin Nischang
• 21P/Giacobini-Zinner   2018 August 17 00:57 UT, 2x90sec, ISO 1600, 8" Newton f4,5, Canon 5dM3, Germerswang / Maisach Thorsten Böckel
• 21P/Giacobini-Zinner   2018 August 17 17 Aug 2018 RC 20" F/4.2 STL1001E RGB 16 min Ci.A.O. Cimini Astronomical Observatory - Italy
• 21P/Giacobini-Zinner   2018 August 17 21,50 UT, Samyang 135 mm 2,5 Canon 6Da 40 x 1 min. Iso 1600 Norbert Mrozek
• 21P/Giacobini-Zinner   2018 August 17 f-135mm/3.4 ASI 1600 1x1 bin Halpha 5x450sec. R 6x300sec. G 5x300 B 6x300 Michael Jäger
• 21P/Giacobini-Zinner   2018 August 17 22.50 UT, Newton 8" / 2.8, CCD Moravian G2 8300 RGB 200/200/200 Norbert Mrozek
• 21P/Giacobini-Zinner   2018 August 17 22:14 UT, 5 x 200 Sek., ASA 8"f2.8, FLI ML8300 CCD, Remote Südfrankreich, Remote, David Bender
• 21P/Giacobini-Zinner   2018 August 17 23:20 UTC, 57x30 sec, TS60ED, 0.79 Fattener, Sony A7s, Greetsiel, Germany Christian Detjen
• 21P/Giacobini-Zinner   2018 August 17 23.10 - 03.45 UT, 72x3min 1x1, 8" f4.6, G3-16200 Thomas Schönpos
• 21P/Giacobini-Zinner   2018 August 17 23.22 - 01.49 UT, Blue 29x300s, ASA 8"f2.8, FLI ML8300 CCD CCD, Südfrankreich, Remote, Martin Nischang
• 21P/Giacobini-Zinner   2018 August 17 23:04 UT, 40 x 30s 0.4-m f/3.8 Orion Optics AG16 Newton SBIG STL-6303E B96 - BRIXIIS, Belgium Erik Bryssinck
• 21P/Giacobini-Zinner   2018 August 17 23:04 UT, 40 x 30s 0.4-m f/3.8 Orion Optics AG16 Newton SBIG STL-6303E B96 - BRIXIIS, Belgium Erik Bryssinck
• 21P/Giacobini-Zinner   2018 August 16 23.51 - 00.29 UT, 46 x 120s, ISO800, TSAPO100Q, Canon EOS 6D MkII, Köditz centered on comet Steffen Fritsche
• 21P/Giacobini-Zinner   2018 August 16 23.08 - 23.40 UT, 20 x 90sec., Canon 6D + EF 200mm f/2.8l ii usm @ f/3.5, ISO3200, slightly cropped, ratio 16:9, Sachsen - Oberlausitz Robert Hilgendorf
• 21P/Giacobini-Zinner   2018 August 16 20:12 - 21:37 UT, 10" Newton, Artemis 4021, Malliß L: 11 x 3 Min, RGB 10 x 3 Min Roland Szlagowski
• 21P/Giacobini-Zinner   2018 August 16 2018 August 16 03.15 UT, RGB 9/9/9min 2x2, 8" f4.6, G3-16200 Thomas Schönpos
• 21P/Giacobini-Zinner   2018 August 15 01:10 UT, 2x 2min, 16" f/2.5, SBIG 8300M bin2x2 Roland Fichtl
• 21P/Giacobini-Zinner   2018 August 15 21.47 - 22.26 UT, 18x120s, Canon EOS60d (unmodifiziert), f=85mm, f/3,5, Ausschnitt, Gartensternwarte Hauzenberg (Niederbayern) Markus Kohl
• 21P/Giacobini-Zinner   2018 August 15 21:50 UT, 5x 2min, 16" f/2.5, CDS-5D Roland Fichtl
• 21P/Giacobini-Zinner   2018 August 15 21:15 UT, - 21:54 UT, 30 x 30 sec.Canon 6D und 30 x 30 sec.ASI120MM, 72 mm / 450 mm APO, Deutschland, Karlstadt P. Christoph Gerhard OSB
• 21P/Giacobini-Zinner   2018 August 14 22.03 UT, Objektiv 1.2,8, f=135mm 20 X 6 sec. Manfred Chudy
• 21P/Giacobini-Zinner   2018 August 14 23.18 UT, 5x270 Filter Blau 8"/2.8 ASI 1600 1x1 Michael Jäger
• 21P/Giacobini-Zinner   2018 August 14 10:21 UT, 6 x 45s 0.43-m f4.5 Planewave 17CDK SBIG STL-6303E H06 - New Mexico, USA, Remote, Erik Bryssinck
• 21P/Giacobini-Zinner   2018 August 14 10:21 UT, 6 x 45s 0.43-m f4.5 Planewave 17CDK SBIG STL-6303E H06 - New Mexico, USA, Remote, Erik Bryssinck
• 21P/Giacobini-Zinner   2018 August 13 00.50 UT, Newton 355/1600 mm, 8x30sec., Canon EOS 1200D, ISO 6400, ~8m, Koma 8.5min , Schweif 18min (0.29°) PW 250°, Welzheimer Wald Dieter Schubert
• 21P/Giacobini-Zinner   2018 August 13 00.40 UT, RGB 12"/4 ASI 1600 2x2 Blau 5x240 Rot und Grün je 240 sec. Michael Jäger
• 21P/Giacobini-Zinner   2018 August 13 00.40 UT, GIF 16x240 sec. Blau 12"/4 ASI 1600 2x2 Michael Jäger
• 21P/Giacobini-Zinner   2018 August 13 21:27 UT, 30 x 45s 0.4-m f/3.8 Orion Optics AG16 Newton SBIG STL-6303E B96 - BRIXIIS, Belgium Erik Bryssinck
• 21P/Giacobini-Zinner   2018 August 12 Technical data on the image Danilo Pivato - Rome (Italy)
• 21P/Giacobini-Zinner   2018 August 12 22:55 UT, 10x 2min, 16" f/2.5, SBIG 8300M Roland Fichtl
• 21P/Giacobini-Zinner   2018 August 12 01.05 UT, Newton 200/1000 mm, 20x2min, ASI294MC Pro, ~8m, Koma 8.5min , Schweif 22min (0.35°) PW 246°, Schwäbische Alb Dieter Schubert
• 21P/Giacobini-Zinner   2018 August 12 23.33 UT, Objektiv 1.2,8, f=135mm 20 X 6 sec. Manfred Chudy
• 21P/Giacobini-Zinner   2018 August 12 22.38-22.47 UT, 4x120s, Esprit150, Reducer 0,75, Gartensternwarte Hauzenberg (Niederbayern) Markus Kohl
• 21P/Giacobini-Zinner   2018 August 12 22.30-22.48 UT, 1x600s, 17mm Normalobjektiv f/6,3, 50%-Ausschnitt, Gartensternwarte Hauzenberg (Niederbayern) Markus Kohl
• 21P/Giacobini-Zinner   2018 August 12 23.12 - 23.42 UT, 12 x 120 s, TSAPO100Q, Canon EOS 6D MkII, ISO800, Köditz centered on comet Steffen Fritsche
• 21P/Giacobini-Zinner   2018 August 12 22.50 UT, 12 x 1 min., 200 mm Tele f/3.5 Canon EOS 6D plus SBIG STL 11000M für H-alpha, Neroth, Eifel, Deutschland. Stefan Binnewies
• 21P/Giacobini-Zinner   2018 August 12 02:45 UT, GSO 8" N f/3.8, Atik 383L+, 12 min. total exposure. José J. Chambó (Hoya Redonda, Spain)
• 21P/Giacobini-Zinner   2018 August 12 02.15 UT, 17x3min, 1x1, 8" f4.6, G3-16200, Ampflwang Thomas Schönpos
• 21P/Giacobini-Zinner   2018 August 11 UT, 22.927 1x10sec.5zoll f2.5 watec120n Walter Kutschera
• 21P/Giacobini-Zinner   2018 August 11 21.10 UT, ,6 x 75sec. ,Refractor 120/600 ,EOS 1000D,Nettetal Udo Steeds
• 21P/Giacobini-Zinner   2018 August 11 Teleobjektiv Samyang 135 Bl. 2.5 Canon 6Da 15 x 2 min. Iso 1600 Norbert Mrozek
• 21P/Giacobini-Zinner   2018 August 11 22,50 UT, 8 / 2,8 Newton CCD Moravian G2 8300 L 5 x 200 s, Norbert Mrozek
• 21P/Giacobini-Zinner   2018 August 11 22,50 UT, 8 / 2,8 Newton CCD Moravian G2 8300 RGB 200/200/200 s, Norbert Mrozek
• 21P/Giacobini-Zinner   2018 August 11 22:34 UTC - 23:00 UTC, 17 x 83s, Takahashi FSQ-106ED f/5, Canon EOS 450 Da, ISO 800, Bild um 50% verkleinert Frank Brandl
• 21P/Giacobini-Zinner   2018 August 11 23.46 - 00.18 UT, 14 x 120s, Iso 800, TSAPO100Q, EOS 6D MkII, Köditz centered on comet Steffen Fritsche
• 21P/Giacobini-Zinner   2018 August 11 23.41 - 00.49 UT, 12 x 120 s, ASA12NO3Z F3.6, ALCCD12, Klein Mühlingen Martin Nischang
• 21P/Giacobini-Zinner   2018 August 11 22:01-23:01 UT, 25cm F/3.3 Deltagraph + Fuji XT20 58x30s ISO 12800 Kleinmühlingen Uwe Wohlrab
• 21P/Giacobini-Zinner   2018 August 11 22:00-23:00 UT, Fuji XM1+1.4/85 Blende 2.8 ISO 6400 42x27s+4x125s mit Deep-Sky-Filter Kleinmühlingen Uwe Wohlrab
• 21P/Giacobini-Zinner   2018 August 11 20:33 UT, L 14 x 200 Sek., ASA 8"f2.8, FLI ML8300 CCD, Remote Südfrankreich, Remote, David Bender
• 21P/Giacobini-Zinner   2018 August 11 20:33 UT, LRGB je 14 x 200 Sek., ASA 8"f2.8, FLI ML8300 CCD, Remote Südfrankreich, Remote, David Bender
• 21P/Giacobini-Zinner   2018 August 10 21.39 - 22.32 UT, 22 x 120 s, ISO800, TSAPO100Q, EOS 6D MkII, Köditz centered on comet Steffen Fritsche
• 21P/Giacobini-Zinner   2018 August 09 23:00LT RC 20" F/4.2 LRGB 16 min STL1001E Ci.A.O. Cimini Astronomical Observatory - Italy
• 21P/Giacobini-Zinner   2018 August 09 23.45 UT, RGB 300/300/300 sec.Zeiss 135mm/2.8 ASI 1600 1x1 Michael Jäger
• 21P/Giacobini-Zinner   2018 August 08 21:47 UT, 30 x 45s 0.4-m f/3.8 Orion Optics AG16 Newton SBIG STL-6303E B96 - BRIXIIS, Belgium Erik Bryssinck
• 21P/Giacobini-Zinner   2018 August 07 21:40 UT, , 8"1150 Newton , ASI 1600mmc , 17x30s A. Mark
• 21P/Giacobini-Zinner   2018 August 07 23.00 UT, 15x1 min, Elmarit-R f=180 mm 1:3,2, Fujifilm XE-1, D-Gärtringen Andreas Beck
• 21P/Giacobini-Zinner   2018 August 06 21:25 UT, 8x 2min, 16" f/2.5, CDS-5D Roland Fichtl
• 21P/Giacobini-Zinner   2018 August 06 22.41 - 23.22 UT, 17 x 120s, ISO 800, TSAPO100Q, EOS 6D MkII, Köditz centered on comet Steffen Fritsche
• 21P/Giacobini-Zinner   2018 August 06 21.49 - 22.52 UT, 23 x 120 s, ASA12NO3Z F3.6, ALCCD12, Gommern Martin Nischang
• 21P/Giacobini-Zinner   2018 August 06 21h31m UT, 12"f 3.6, ML 16200, LRGB 18/12/12/12 min. Gerald Rhemann
• 21P/Giacobini-Zinner   2018 August 06 22:51 UT, 30 x 45s 0.4-m f/3.8 Orion Optics AG16 Newton SBIG STL-6303E B96 - BRIXIIS, Belgium Erik Bryssinck
• 21P/Giacobini-Zinner   2018 August 06 22:51 UT, 30 x 45s 0.4-m f/3.8 Orion Optics AG16 Newton SBIG STL-6303E B96 - BRIXIIS, Belgium Erik Bryssinck
• 21P/Giacobini-Zinner   2018 August 05 21:27-22:16 UT, Fuji XM1+1.4/85 Blende 2.8 22x30s+4x120s Deep-Sky-Filter ISO6400 Gommern Uwe Wohlrab
• 21P/Giacobini-Zinner   2018 August 05 21:15-22:15 UT, 25cm F/3.3 Deltagraph + Fuji XT20 60x30s ISO12800 Gommern Uwe Wohlrab
• 21P/Giacobini-Zinner   2018 August 05 22:10 UT, 6x 2min, 16" f/2.5, CDS-5D Roland Fichtl
• 21P/Giacobini-Zinner   2018 August 05 23.12 - 23.57 UT, 20 x 120s, ISO 800, TSAPO100Q, EOS 6D MkII, Köditz centered on comet Steffen Fritsche
• 21P/Giacobini-Zinner   2018 August 05 21:50 Uhr Takahashi Epsilon 130D, Canon 6Da, 15 x 3 min. Iso 1600 Norbert Mrozek
• 21P/Giacobini-Zinner   2018 August 05 21.50 UT, Newton 200/570 ATIK 383L 1 x 90 sec. Stefan Beck
• 21P/Giacobini-Zinner   2018 August 05 22.00 UT, Newton 200/570 ATIK 383L LRGB 60sec. each Stefan Beck
• 21P/Giacobini-Zinner   2018 August 05 21.47 UT, Newton 200/570 ATIK 383L 11 x 90 sec., DDP Stefan Beck
• 21P/Giacobini-Zinner   2018 August 05 22.20 UT, Newton 200/570 ATIK 383L 6 x 90 sec. RGB 90sec. each Stefan Beck
• 21P/Giacobini-Zinner   2018 August 05 23:38 UT, 30 x 45s 0.4-m f/3.8 Orion Optics AG16 Newton SBIG STL-6303E B96 - BRIXIIS, Belgium Erik Bryssinck
• 21P/Giacobini-Zinner   2018 August 05 23:38 UT, 30 x 45s 0.4-m f/3.8 Orion Optics AG16 Newton SBIG STL-6303E B96 - BRIXIIS, Belgium Erik Bryssinck
• 21P/Giacobini-Zinner   2018 August 04 1.00 UT, RGB 200/200/200sec.& 7x200 blue 12"/4 ASI 1600 2x2 Michael Jäger
• 21P/Giacobini-Zinner   2018 August 03 21:30 UT, 12x 2min, 16" f/2.5, CDS-5D Roland Fichtl
• 21P/Giacobini-Zinner   2018 August 03 23h22 UT, 60x10s, 16" Ritchey Chrétien, Sbig STL1001e, Saint Jacques sur Darnetal, France Vauquelin Bruno, Saint Jacques sur Darnetal, France
• 21P/Giacobini-Zinner   2018 August 03 22:57 -23:08 UT, Clearfilter 10x10s, R/G/B je 10x15s, Newton 25cm F/5, ATIK 460exm, Mainz-Ebersheim Otmar Nickel
• 21P/Giacobini-Zinner   2018 August 03 23:12 UT, 30 x 45s 0.4-m f/3.8 Orion Optics AG16 Newton SBIG STL-6303E B96 - BRIXIIS, Belgium Erik Bryssinck
• 21P/Giacobini-Zinner   2018 August 03 23:12 UT, 30 x 45s 0.4-m f/3.8 Orion Optics AG16 Newton SBIG STL-6303E B96 - BRIXIIS, Belgium Erik Bryssinck
• 21P/Giacobini-Zinner   2018 August 02 Technical data on the image Danilo Pivato
• 21P/Giacobini-Zinner   2018 August 02 21:10 UT, 6x 2min, 16" f/2.5, CDS-5D Roland Fichtl
• 21P/Giacobini-Zinner   2018 August 02 Comet 21P + S 171, NGC 7762 21.50 UT, Takahashi Epsilon 130D, Canon 6D 15 x 3 min. Iso 1600 Norbert Mrozek
• 21P/Giacobini-Zinner   2018 August 02 23.03 - 23.49 UT, 20 x 120s, ISO 800, Canon EOS 6D MkII, TSAPO100Q, Köditz centered on comet Steffen Fritsche
• 21P/Giacobini-Zinner   2018 August 02 23:11 UT, 30 x 45s 0.4-m f/3.8 Orion Optics AG16 Newton SBIG STL-6303E B96 - BRIXIIS, Belgium Erik Bryssinck
• 21P/Giacobini-Zinner   2018 August 02 23:11 UT, 30 x 45s 0.4-m f/3.8 Orion Optics AG16 Newton SBIG STL-6303E B96 - BRIXIIS, Belgium Erik Bryssinck
• 21P/Giacobini-Zinner   2018 August 01 21:58 UT, 7 x 45s 0.4-m f/3.8 Orion Optics AG16 Newton SBIG STL-6303E B96 - BRIXIIS, Belgium Erik Bryssinck
• 21P/Giacobini-Zinner   2018 July 31 22:10 UT, 6x 2min, 16" f/2.5, CDS-5D Roland Fichtl
• 21P/Giacobini-Zinner   2018 July 30 23:15 UT, 8x 2min, 16" f/2.5, CDS-5D Roland Fichtl
• 21P/Giacobini-Zinner   2018 July 30 21.34 UT, Objektiv 1.2,8, f=135mm 20 X 5 sec. Manfred Chudy
• 21P/Giacobini-Zinner   2018 July 29 23:20 UT, 5x 2min, 16" f/2.5, CDS-5D Roland Fichtl
• 21P/Giacobini-Zinner   2018 July 27 22:03-22:35 UT, 25cm F/3.3 Deltagraph + Fuji XT20 61x15s ISO12800 Hobeck/Fläming Uwe Wohlrab
• 21P/Giacobini-Zinner   2018 July 27 22:09-22:27 UT, Fuji XM1+1.4/85 Blende 2.8 20x20s ISO6400 Hobeck/Fläming Uwe Wohlrab
• 21P/Giacobini-Zinner   2018 July 26 23:45 UT, 10x 2min, 16" f/2.5, CDS-5D Roland Fichtl
• 21P/Giacobini-Zinner   2018 July 26 20.54 UT, ,21.18 UT, je 3x 1 min, Panasonic Lumix DMC G3, Newton 150/ 750, Ostfriesland Richard Gloger
• 21P/Giacobini-Zinner   2018 July 25 21:48 UT, 10x 2min, 16" f/2.5, CDS-5D Roland Fichtl
• 21P/Giacobini-Zinner   2018 July 24 21P/Giacobini-Zinner + Sh2-155 + vdB 155 0.22 UT, Newton 8" / 2.8 CCD HaLRGB Norbert Mrozek
• 21P/Giacobini-Zinner   2018 July 24 Technical data on the image Danilo Pivato - Rome - Italy
• 21P/Giacobini-Zinner   2018 July 23 23:42 UT, 40 x 45s 0.4-m f/3.8 Orion Optics AG16 Newton SBIG STL-6303E B96 - BRIXIIS, Belgium Erik Bryssinck
• 21P/Giacobini-Zinner   2018 July 23 23:42 UT, 40 x 45s 0.4-m f/3.8 Orion Optics AG16 Newton SBIG STL-6303E B96 - BRIXIIS, Belgium Erik Bryssinck
• 21P/Giacobini-Zinner   2018 July 21 Technical data on the image Danilo Pivato - Rome - Italy
• 21P/Giacobini-Zinner   2018 July 21 22:14 UT, 300s, 8" GSO RC f/5.4, ATIK 314L+, Südfrankreich, Remote, Peter Stüssi
• 21P/Giacobini-Zinner   2018 July 21 00h18m UT, H8 2.9 ASA Astrograph, LRGB 12/9/9/9 min. Gerald Rhemann
• 21P/Giacobini-Zinner   2018 July 21 22:17 UT, 30 x 60s 0.4-m f/3.8 Orion Optics AG16 Newton SBIG STL-6303E B96 - BRIXIIS, Belgium Erik Bryssinck
• 21P/Giacobini-Zinner   2018 July 21 22:17 UT, 30 x 60s 0.4-m f/3.8 Orion Optics AG16 Newton SBIG STL-6303E B96 - BRIXIIS, Belgium Erik Bryssinck
• 21P/Giacobini-Zinner   2018 July 19 00.48 UT, Newton 200/570 ATIK 383L 1 x 90 sec. Stefan Beck
• 21P/Giacobini-Zinner   2018 July 19 00.52 UT, Newton 200/570 ATIK 383L 3 x 90 sec. Stefan Beck
• 21P/Giacobini-Zinner   2018 July 19 22.07 - 00.15 UT, 70 x 140 s, 10"-Newton, Canon 1100Da, Leipzig, Deutschland Ronald Legler
• 21P/Giacobini-Zinner   2018 July 18 22:40 UT, 7x 2min, 16" f/2.5, CDS-5D Roland Fichtl
• 21P/Giacobini-Zinner   2018 July 18 23.10 UT, Newton 8" / 2.8 Canon 6Da 10 x 2 min. Norbert Mrozek
• 21P/Giacobini-Zinner   2018 July 18 2018.07.19 02:58:57 UT, 60 seconds, Borg 77mm F/6.62, ST-1 John D. Sabia S. Abington Township, PA USA
• 21P/Giacobini-Zinner   2018 July 18 23:15 UT, 30 x 60s 0.4-m f/3.8 Orion Optics AG16 Newton SBIG STL-6303E B96 - BRIXIIS, Belgium Erik Bryssinck
• 21P/Giacobini-Zinner   2018 July 18 23:15 UT, 30 x 60s 0.4-m f/3.8 Orion Optics AG16 Newton SBIG STL-6303E B96 - BRIXIIS, Belgium Erik Bryssinck
• 21P/Giacobini-Zinner   2018 July 17 23:35 UT, 30 x 60s 0.4-m f/3.8 Orion Optics AG16 Newton SBIG STL-6303E B96 - BRIXIIS, Belgium Erik Bryssinck
• 21P/Giacobini-Zinner   2018 July 17 23:35 UT, 30 x 60s 0.4-m f/3.8 Orion Optics AG16 Newton SBIG STL-6303E B96 - BRIXIIS, Belgium Erik Bryssinck
• 21P/Giacobini-Zinner   2018 July 16 23:05 UT, 20 x 60s 0.4-m f/3.8 Orion Optics AG16 Newton SBIG STL-6303E B96 - BRIXIIS, Belgium Erik Bryssinck
• 21P/Giacobini-Zinner   2018 July 16 23:05 UT, 20 x 60s 0.4-m f/3.8 Orion Optics AG16 Newton SBIG STL-6303E B96 - BRIXIIS, Belgium Erik Bryssinck
• 21P/Giacobini-Zinner   2018 July 15 23.05 UT, Newton 10/4 Canon 6Da 15 x 3 min. Iso 3200 Norbert Mrozek
• 21P/Giacobini-Zinner   2018 July 15 2.21 - 2.37 UT, , 8 x 2min , VMC,1200mm , 40D , Lochow , André Schäfer
• 21P/Giacobini-Zinner   2018 July 15 01:53 UT, GSO 8" N f/3.8, Atik 383L+, 9 min. total exposure. José J. Chambó (Hoya Redonda, Spain)
• 21P/Giacobini-Zinner   2018 July 14 00.30 UT, 300/300/300 sec.12"/4 ASI 1600 2x2 Michael Jäger
• 21P/Giacobini-Zinner   2018 July 14 Technical data on the image Danilo Pivato
• 21P/Giacobini-Zinner   2018 July 14 22.40 UT, Newton 200/570 ATIK 383L 1 x 30 sec. Stefan Beck
• 21P/Giacobini-Zinner   2018 July 14 23:28 UT, 30 x 60s 0.4-m f/3.8 Orion Optics AG16 Newton SBIG STL-6303E B96 - BRIXIIS, Belgium Erik Bryssinck
• 21P/Giacobini-Zinner   2018 July 14 23:28 UT, 30 x 60s 0.4-m f/3.8 Orion Optics AG16 Newton SBIG STL-6303E B96 - BRIXIIS, Belgium Erik Bryssinck
• 21P/Giacobini-Zinner   2018 July 13 22:36 UT, 5x 2min, 16" f/2.5, CDS-5D Roland Fichtl
• 21P/Giacobini-Zinner   2018 July 13 Serie Mai 21 2018 - Juli 13 2018 Roland Fichtl
• 21P/Giacobini-Zinner   2018 July 13 21.25 UT, 28x10 sec.12"/4 ASI 1600 2x2 Michael Jäger
• 21P/Giacobini-Zinner   2018 July 13 22.45 UT, Takahashi Epsilon 130D Canon 6Da 40 x 2 min. Iso 3200 Norbert Mrozek
• 21P/Giacobini-Zinner   2018 July 13 22:18 UT, 300s, 8" GSO RC f/5.4, ATIK 314L+, Südfrankreich, Remote, Peter Stüssi
• 21P/Giacobini-Zinner   2018 July 13 23:34 UT, 30 x 60s 0.4-m f/3.8 Orion Optics AG16 Newton SBIG STL-6303E B96 - BRIXIIS, Belgium Erik Bryssinck
• 21P/Giacobini-Zinner   2018 July 13 23:34 UT, 30 x 60s 0.4-m f/3.8 Orion Optics AG16 Newton SBIG STL-6303E B96 - BRIXIIS, Belgium Erik Bryssinck
• 21P/Giacobini-Zinner   2018 July 12 22:17 UT, 8x 2min, 16" f/2.5, CDS-5D Roland Fichtl
• 21P/Giacobini-Zinner   2018 July 12 23.10 UT, Newton 200/1000 mm, 10x2min mit ASI294MC Pro, 10m:, Koma 2.5min , Schweif 3min PW=219°, Nordschwarzwald Dieter Schubert
• 21P/Giacobini-Zinner   2018 July 12 22:34 UT, 10 x 60s 0.4-m f/3.8 Orion Optics AG16 Newton SBIG STL-6303E B96 - BRIXIIS, Belgium Erik Bryssinck
• 21P/Giacobini-Zinner   2018 July 12 22:34 UT, 10 x 60s 0.4-m f/3.8 Orion Optics AG16 Newton SBIG STL-6303E B96 - BRIXIIS, Belgium Erik Bryssinck
• 21P/Giacobini-Zinner   2018 July 11 21:52 UT, 3x 2min, 16" f/2.5, CDS-5D Roland Fichtl
• 21P/Giacobini-Zinner   2018 July 11 03:36 UT, 5 x 60 seconds, RC20 f/8.1, SBIG STL1001E, Fleetville, PA USA John D. Sabia S. Abignton Township, PA USA
• 21P/Giacobini-Zinner   2018 July 11 23h34 UT, 43x30s, 16" Ritchey Chrétien, Sbig STL 1001e, Saint Jacques sur Darnétal, FRANCE Bruno Vauquelin, Saint Jacques sur Darnétal, FRANCE
• 21P/Giacobini-Zinner   2018 July 11 00h19m UT, ASA 12" f 3.6, FLI ML 16200, LRGB 18/12/12/12 min. Gerald Rhemann
• 21P/Giacobini-Zinner   2018 July 09 0.038 UT 1x10sec.10zollf2.5 Newton watec 120n Walter Kutschera
• 21P/Giacobini-Zinner   2018 July 09 90 seconds, Borg 77mm f/6.62, SBIG St-i, Keystone College Thomas G. Cupillari Observatory, Hack Road in Fleetville, PA USA John D. Sabia S. Abignton Township, PA USA
• 21P/Giacobini-Zinner   2018 July 09 02:22 UT, GSO 8" N f/3.8, Atik 383L+, 9 min. total exposure. José J. Chambó (Vallés, Spain)
• 21P/Giacobini-Zinner   2018 July 08 22:45 UT, 9x 2min, 16" f/2.5, CDS-5D Roland Fichtl
• 21P/Giacobini-Zinner   2018 July 08 22.30 UT, Newton 10" / 4, Canon 6Da 10 x 3 min. Iso 3200 Norbert Mrozek
• 21P/Giacobini-Zinner   2018 July 08 21:54 UT, 300s, 8"GSO RC f/5, ATIK 314L+, Südfrankreich, Remote, Peter Stüssi Peter Stüssi
• 21P/Giacobini-Zinner   2018 July 08 23h43 UT, 45x60s ( Gif ) , 16" Ritchey Chrétien, Sbig STL 1001e, Saint Jacques sur Darnétal, France Vauquelin Bruno, Saint Jacques sur Darnétal, France
• 21P/Giacobini-Zinner   2018 July 08 23.05 UT, Newton 200/570 ATIK 383L 1 x 120 sec. Stefan Beck
• 21P/Giacobini-Zinner   2018 July 08 23h30 UTC Dobson 12" 58x, Clamensane France Michel Deconinck Artignosc-sur-Verdon France
• 21P/Giacobini-Zinner   2018 July 08 23:25 UT, 30 x 60s 0.4-m f/3.8 Orion Optics AG16 Newton SBIG STL-6303E B96 - BRIXIIS, Belgium Erik Bryssinck
• 21P/Giacobini-Zinner   2018 July 08 23:25 UT, 30 x 60s 0.4-m f/3.8 Orion Optics AG16 Newton SBIG STL-6303E B96 - BRIXIIS, Belgium Erik Bryssinck
• 21P/Giacobini-Zinner   2018 July 07 RC20" F/4.2 STL1001E LRGB (60-30-30-30 sec) Ci.A.O. Cimini Astronomical Observatory - Italy
• 21P/Giacobini-Zinner   2018 July 07 Technical date on the image Danilo Pivato Rome - Italy
• 21P/Giacobini-Zinner   2018 July 07 21:45 UT, 4x 2min, 16" f/2.5, CDS-5D Roland Fichtl
• 21P/Giacobini-Zinner   2018 July 07 23:04 UT, 300s, 8"GSO RC f/5, ATIK 314L+, Südfrankreich, Remote, Peter Stüssi
• 21P/Giacobini-Zinner   2018 July 07 21.50 UT, Newton 355/1600 mm, 11x30sec. mit Canon EOS 1200D, ISO 6400, 10m5:, Koma 0.6min , Schweif 2.5min PW=225°, Schwäbische Alb Dieter Schubert
• 21P/Giacobini-Zinner   2018 July 07 23:39 UT, 30 x 60s 0.4-m f/3.8 Orion Optics AG16 Newton SBIG STL-6303E B96 - BRIXIIS, Belgium Erik Bryssinck
• 21P/Giacobini-Zinner   2018 July 06 22:59-23:29 UT, 25cm F/3.3 Deltagraph + Fuji XT20 30x30s ISO 12800 Schweinitz/Fläming Uwe Wohlrab
• 21P/Giacobini-Zinner   2018 July 06 23:29 UT, 30 x 60s 0.4-m f/3.8 Orion Optics AG16 Newton SBIG STL-6303E B96 - BRIXIIS, Belgium Erik Bryssinck
• 21P/Giacobini-Zinner   2018 July 05 23:22 UT, 9 x 60s 0.4-m f/3.8 Orion Optics AG16 Newton SBIG STL-6303E B96 - BRIXIIS, Belgium Erik Bryssinck
• 21P/Giacobini-Zinner   2018 July 03 22:05 UT, 8x 2min, 16" f/2.5, CDS-5D Roland Fichtl
• 21P/Giacobini-Zinner   2018 July 03 21.34 UT-22.01 UT, 8x210s, Skywatcher Esprit 150, Riccardi 0,75-fach Reducer, EOS60da, ISO800, Gartensternwarte Hauzenberg (Niederbayern), 50%-Ausschnitt Markus Kohl
• 21P/Giacobini-Zinner   2018 July 03 21.34 UT-22.01 UT, 8x210s, Skywatcher Esprit 150, Riccardi 0,75-fach Reducer, EOS60da, ISO800, Gartensternwarte Hauzenberg (Niederbayern), 50%-Ausschnitt Markus Kohl
• 21P/Giacobini-Zinner   2018 July 03 2255-2342 UT, 20 x 120s, ISO800, TSAPO100Q, Canon EOS 6D MkII, Köditz centered on comet Steffen Fritsche
• 21P/Giacobini-Zinner   2018 July 03 22.55 - 23.42 UT, 20 x 120s, ISO800, TSAPO100Q, Canon EOS 6D MkII, Köditz centered on comet Steffen Fritsche
• 21P/Giacobini-Zinner   2018 July 03 22.55 - 23.42 UT, 20 x 120s, ISO800, TSAPO100Q, Canon EOS 6D MkII, Köditz centered on star Steffen Fritsche
• 21P/Giacobini-Zinner   2018 July 02 22:10 UT, 4x 2min, 16" f/2.5, CDS-5D Roland Fichtl
• 21P/Giacobini-Zinner   2018 July 02 00:17 UT, 10 x 120s 0.4-m f/3.8 Orion Optics AG16 Newton SBIG STL-6303E B96 - BRIXIIS, Belgium Erik Bryssinck
• 21P/Giacobini-Zinner   2018 July 02 23:30 UT, 20 x 60s 0.4-m f/3.8 Orion Optics AG16 Newton SBIG STL-6303E B96 - BRIXIIS, Belgium Erik Bryssinck
• 21P/Giacobini-Zinner   2018 July 01 22:37 UT, 18x 2min, 16" f/2.5, CDS-5D Roland Fichtl
• 21P/Giacobini-Zinner   2018 July 01 23.25 - 00.20 UT, 24x120s, ISO800, TSAPO100Q, Canon EOS 6D MkII, Köditz centered on comet Steffen Fritsche
• 21P/Giacobini-Zinner   2018 July 01 23.25 - 00.20 UT, 24x120s, ISO800, TSAPO100Q, Canon EOS 6D MkII, Köditz, mit NGC 7086 centered on star Steffen Fritsche
• 21P/Giacobini-Zinner   2018 July 01 21.07 UT, R 1x210 G 3x210 B 2x210 12"/4 ASI 1600 2x2 Michael Jäger
• 21P/Giacobini-Zinner   2018 June 30 Technical date on the image Danilo Pivato (ROME - Italy)
• 21P/Giacobini-Zinner   2018 June 30 23.36 UT, 3x80sec.12"/4 ASI 1600 2x2 Michael Jäger
• 21P/Giacobini-Zinner   2018 June 30 23.23 UT, 40x30sec.12"/4 ASI 1600 2x2 Michael Jäger
• 21P/Giacobini-Zinner   2018 June 27 00:43 UT, 20 x 60s 0.4-m f/3.8 Orion Optics AG16 Newton SBIG STL-6303E B96 - BRIXIIS, Belgium Erik Bryssinck
• 21P/Giacobini-Zinner   2018 June 25 23:45 UT, 20 x 60s 0.4-m f/3.8 Orion Optics AG16 Newton SBIG STL-6303E B96 - BRIXIIS, Belgium Erik Bryssinck
• 21P/Giacobini-Zinner   2018 June 21 23:10 UT, 17x120s, RGB-Green, Newton 510/2030mm, STL 11000M, Selztal-Observatory Dr. Georg Piehler
• 21P/Giacobini-Zinner   2018 June 21 00:47 UT, 20 x 60s 0.4-m f/3.8 Orion Optics AG16 Newton SBIG STL-6303E B96 - BRIXIIS, Belgium Erik Bryssinck
• 21P/Giacobini-Zinner   2018 June 21 23:23 UT, 20 x 60s 0.4-m f/3.8 Orion Optics AG16 Newton SBIG STL-6303E B96 - BRIXIIS, Belgium Erik Bryssinck
• 21P/Giacobini-Zinner   2018 June 20 23:00 UT, 10x 2min, 16" f/2.5, CDS-5D Roland Fichtl
• 21P/Giacobini-Zinner   2018 June 20 23.10 UT, Takahashi Epsilon 130 D und Canon 6Da 20 x 2 min. Iso 1600 Norbert Mrozek
• 21P/Giacobini-Zinner   2018 June 20 23:28 UT, 8x120s, RGB-Green, Newton 510/2030mm, STL 11000M, Selztal-Observatory Dr. Georg Piehler
• 21P/Giacobini-Zinner   2018 June 18 23.45 - 00.44 UT, 22 x 120s, ISO800, TSAPO100Q (f = 580 mm), Canon EOS 6D MkII, Köditz, centered on stars centered on star Steffen Fritsche
• 21P/Giacobini-Zinner   2018 June 18 23.45 - 00.44 UT, 22x120s, ISO800, Canon EOS 6D MkII, TSAPO100Q, Köditz centered on star Steffen Fritsche
• 21P/Giacobini-Zinner   2018 June 18 23.45 - 00.44 UT, 22x120s, ISO800, Canon EOS 6D MkII, TSAPO100Q, Köditz centered on comet Steffen Fritsche
• 21P/Giacobini-Zinner   2018 June 18 23:23 UT, 20 x 60s 0.4-m f/3.8 Orion Optics AG16 Newton SBIG STL-6303E B96 - BRIXIIS, Belgium Erik Bryssinck
• 21P/Giacobini-Zinner   2018 June 15 03:16 UT, Stack 20 x 60 seconds, RC20 f/8.1, SBIG STL1001E, Keystone College Thomas G. Cupillari Observatory Fleetville, PA USA John D. Sabia S. Abington Township, PA USA
• 21P/Giacobini-Zinner   2018 June 15 0h23 UT, 20x60s, 170 mm Ritchey Chrétien, ST8xme, Saint Jacques sur Darnetal , France Vauquelin Bruno, Saint Jacques sur Darnetal , France
• 21P/Giacobini-Zinner   2018 June 13 0h27 UT, 41x60s, 170 mm Ritchey Chrétien, ST8xme, Saint Jacques sur Darnetal, France Vauquelin Bruno, Saint Jacques sur Darnetal, France
• 21P/Giacobini-Zinner   2018 June 12 03:11 UT, Stack 10 x 60 seconds, RC20 f/8.1, SBIG STL 1001E, Keystone College Thomas G. Cupillari Observatory Fleetville, PA USA John D. Sabia S. Abignton Township, PA USA
• 21P/Giacobini-Zinner   2018 June 10 23.43 UT, 22x30sec.12"/4 ASI 1600 2x2 Michael Jäger
• 21P/Giacobini-Zinner   2018 June 10 23.53 UT, 1x180sec.12"/4 ASI 1600 2x2 Michael Jäger
• 21P/Giacobini-Zinner   2018 June 09 08:53 UT. Planewave 510mm CDK f/4,5. FLI PL11002M. 300s, T 13,5 mag, N 14,8 mag, (10" Box 14,48 mag), Koma 13" x 18", Schweifansatz PA 232° Mayhill, New Mexico, Remote, Michael Hauss
• 21P/Giacobini-Zinner   2018 June 09 22:18-22:38 UT, 25cm F/3.3 Deltagraph und Fuji XT20 30x20s ISO 12800 Hobeck/Fläming Uwe Wohlrab
• 21P/Giacobini-Zinner   2018 June 09 22:38 UT, 10 x 120s 0.4-m f/3.8 Orion Optics AG16 Newton SBIG STL-6303E B96 - BRIXIIS, Belgium Erik Bryssinck
• 21P/Giacobini-Zinner   2018 June 08 0h35 UT, 10x60s 170mm-Ritchey-Chretien, ST8xme Saint Jacques sur Darnetal, France Vauquelin Bruno,Saint Jacques sur Darnetal , France
• 21P/Giacobini-Zinner   2018 June 05 22:54 UT, 6x 2min, 16" f/2.5, CDS-5D Roland Fichtl
• 21P/Giacobini-Zinner   2018 June 05 00:20 UT, 10x60s, 510/2030 Newton, STL 11000M, Filter RGB-Green, Selztal-Observatory Dr. Georg Piehler
• 21P/Giacobini-Zinner   2018 June 05 00:05:58 (UT), 240s exp.(4х60s), 0.7-m (f/4) L + FLI PL47-10 + R filter, 0.95"/pixel. m1=14.4, Coma 42", DC 4. Tail 1.5 min. long spread in p.a. 207-251 deg., braight stream in tail 1 min. long in p.a. 250 deg. Kyiv comet station (MPC 585). Alexander Baransky, Ukraine
• 21P/Giacobini-Zinner   2018 June 05 22:45 UT, 10 x 120s 0.4-m f/3.8 Orion Optics AG16 Newton SBIG STL-6303E B96 - BRIXIIS, Belgium Erik Bryssinck
• 21P/Giacobini-Zinner   2018 June 04 23:18 UT, 5 x 120s 0.4-m f/3.8 Orion Optics AG16 Newton SBIG STL-6303E B96 - BRIXIIS, Belgium Erik Bryssinck
• 21P/Giacobini-Zinner   2018 June 03 23.39 - 00.16 UT, 29x60s, ISO800, TSAPO100Q (f=580mm), Canon EOS 6D MkII, Köditz centered on comet Steffen Fritsche
• 21P/Giacobini-Zinner   2018 June 03 22:17 UT, 3 x 120s 0.4-m f/3.8 Orion Optics AG16 Newton SBIG STL-6303E B96 - BRIXIIS, Belgium Erik Bryssinck
• 21P/Giacobini-Zinner   2018 June 02 23:05 UT, 4x 2min, 16" f/2.5, CDS-5D, ISO 1600 Roland Fichtl
• 21P/Giacobini-Zinner   2018 May 31 23:35:42 (UT), 180s exp.(3х60s), 0.7-m (f/4) L + FLI PL47-10 + R filter, 0.95"/pixel. m1=14.3, Coma 45", DC 4. Tail 3 min. long in p.a. 247 deg. Kyiv comet station (MPC 585). Alexander Baransky, Ukraine
• 21P/Giacobini-Zinner   2018 May 31 23:43:52 (UT), 1140s exp.(19х60s), 0.7-m (f/4) L + FLI PL47-10 + R filter, 0.95"/pixel. m1=14.3, Coma 45", DC 4. Tail 3 min. long in p.a. 247 deg. Kyiv comet station (MPC 585). Alexander Baransky, Ukraine
• 21P/Giacobini-Zinner   2018 May 28 23:39:03 (UT), 1620s exp.(27х60s), 0.7-m (f/4) L + FLI PL47-10 + R filter, 0.95"/pixel. m1=15.1, Coma 28", DC 4. Tail 1 min. long in p.a. 242 deg. Kyiv comet station (MPC 585). Alexander Baransky, Ukraine
• 21P/Giacobini-Zinner   2018 May 22 00.45 UT, 4x90sec.12"/4 ASI 1600 2x2 Michael Jäger
• 21P/Giacobini-Zinner   2018 May 21 00:12 UT, 9x 2min, 16" f/2.5, SBIG 8300M Roland Fichtl
• 21P/Giacobini-Zinner   2018 May 18 01:55-02:55 UT, 20 Zoll Newton, STL11000M 11x60s, Filter:RGB-Green, Estimated brightness about less than 15mag, predicted 13.4 mag by MPC, Selztal-Observatory Dr. Georg Piehler
• 21P/Giacobini-Zinner   2018 May 13 01h41m UT, ASA Astrograph 16" f 3.6, FLI PL 16803, 60 min. Gerald Rhemann
• 21P/Giacobini-Zinner   2018 May 11 23:24-23:54 UT, 25cm F/3.3 Deltagraph + Fuji XT20 30x30s ISO 12800 Schweinitz/Fläming Uwe Wohlrab
• 21P/Giacobini-Zinner   2018 May 11 23.51 UT, Newton 200/570 ATIK 383L 8 x 120 sec. Stefan Beck
• 21P/Giacobini-Zinner   2018 May 11 23.37 UT, Newton 200/570 ATIK 383L 1 x 240 sec. Stefan Beck
• 21P/Giacobini-Zinner   2018 May 08 00.11 - 01.10 UT, 25 x 120s ISO1600, TSAPO100Q (100x580mm), CanonEOS 700da, Köditz, volles Bild mit M27 centered on comet Steffen Fritsche
• 21P/Giacobini-Zinner   2018 May 08 00.11 - 01.10 UT, 25 x 120s ISO1600, TSAPO100Q (100x580mm), CanonEOS 700da, Köditz, Ausschnitt centered on comet Steffen Fritsche
• 21P/Giacobini-Zinner   2018 May 05 23.40 UT, Newton 200/570 ATIK 383L 2 x 120 sec. Animation, in the middle of the image Stefan Beck
• 21P/Giacobini-Zinner   2018 May 05 23:03-23:34 UT, 25cm F/3.3 Deltagraph + Fuji XT20 30x30s ISO 12800 Döben Uwe Wohlrab
• 21P/Giacobini-Zinner   2018 April 22 01:27:27 (UT), 240s exp.(4х60s), 0.7-m (f/4) L + FLI PL47-10 + R filter, 0.95"/pixel. m1=16.9, Coma 16", DC 4. Drop-shaped coma. Tail 15" long in p.a. 260 deg. Kyiv comet station (MPC 585). Alexander Baransky, Ukraine
• 21P/Giacobini-Zinner   2018 April 22 01:40:50 (UT), 1920s exp.(32х60s), 0.7-m (f/4) L + FLI PL47-10 + R filter, 0.95"/pixel. m1=16.9, Coma 16", DC 4. Kyiv comet station (MPC 585). Alexander Baransky, Ukraine
• 21P/Giacobini-Zinner   2018 April 17 2h40 UT, 8x120s, 16" Ritchey Chrétien, Sbig STL 1001e, Saint Jacques sur Darnetal, France Bruno Vauquelin , Saint Jacques sur Darnetal, France
• 21P/Giacobini-Zinner   2018 April 15 10:17 UT, 1x300s, 11" SCT f/6.4, STF-8300M, m=18.1, Mike Olason, Denver Colorado
• 21P/Giacobini-Zinner   2018 April 15 10:17 UT, 2x300s GIF, 11" SCT f/6.4, STF-8300M, m=18.1, Mike Olason, Denver Colorado
• 21P/Giacobini-Zinner   2018 March 26 03.11 - 04.16 UT, L 12x300s, ASA 8"f2.8, FLI ML8300 CCD CCD, Südfrankreich, Remote, Martin Nischang
• 21P/Giacobini-Zinner   2012 February 22 17.43 UT, 8x55 sec. 10"f/3.8 Sigma 6303 CCD Michael Jäger
• 21P/Giacobini-Zinner   2012 February 20 17.40 UT, 10x50 sec. 10"f/3.8 FLI 8300 CCD 2x2 bin Michael Jäger
• 21P/Giacobini-Zinner   2012 February 12 17.36 UT, 8"/2.8 10x70 sec. FLI 8300 CCD Michael Jäger
• 21P/Giacobini-Zinner   2012 January 14 16.53 UT, 6x120 sec. 10"f/3.8 FLI 8300 CCD 2x2 bin. Michael Jäger
• 21P/Giacobini-Zinner   2011 December 26 16.35 UT, 8"/2.8 7x180ec FLI 8300 CCD Michael Jäger
• 21P/Giacobini-Zinner   2011 December 12 17:26, 8"-SCT, f=1260mm, Canon EOS 500D, 4 x 40sec.(ISO 3200), very low Michael Hauss
• 21P/Giacobini-Zinner   2011 October 22 18:40-18:49 UT, 30x15s,1200mm f/4 Newton,ATIK16HR + IR-filter,Dortmund,Germany Thorsten Zilch
• 21P/Giacobini-Zinner   2011 October 17 17.40 UT, 5x240 sec. 10"f/3.8 FLI 8300 CCD Michael Jäger
• 21P/Giacobini-Zinner   2011 August 01 21:13 UT, 3 x 5 min. exposure, 12" SCT f-6.5 + CCD ST10XME, 18.29 mag, coma: 10", tail: 6" in PA245 Bernhard Häusler
• 21P/Giacobini-Zinner   2011 May 04 23.28h UT, - 1x 120s - 12" Newton + ST-10XME Josef Müller
• 21P/Giacobini-Zinner   2005 August 02 01.30 UT 12" f=990mm Deltagraph SXV-H9 CCD, mosaic Michael Jäger + Gerald Rhemann
• 21P/Giacobini-Zinner   2005 June 14 8" f=300mm Schmidtcamera, SXVH-9 CCD Michael Jäger + Gerald Rhemann
• 21P/Giacobini-Zinner   2005 June 03 00.45 UT Schmidtcamera 8" f=300 mm. SXV-H9 CCD, 4 x 75 sec. Michael Jäger + Gerald Rhemann
• 21P/Giacobini-Zinner   2005 May 02 01.20 UT Schmidtcamera 8" f=300 mm. SXV-H9 CCD, 4x130 sec. clear filter and 3x210 sec. green filter Michael Jäger + Gerald Rhemann
• 21P/Giacobini-Zinner   1999 January 15 Jan. 15. 1999. 21:32 - 21:42 UT. Schmidt-Kamera 225/255/435 auf TP 6415 hyp. Gerald Rhemann
• 21P/Giacobini-Zinner   1999 January 06 Jan. 06.7125UT 1999 Kompositaufnahme 21 x 45 sec. Genesis Refraktor f/5.0 mit Starlight SX CCD-Kamera. Konrad Horn
• 21P/Giacobini-Zinner   1998 December 09 Dec. 09. 1998. Schmidt camera 225/255/435 on TP 6415 hyp., 8 Minuten belichtet auf TP 6415 hyp, Koma 3', Schweif 15', Weißenkirchen/NÖ, Helligkeit: 9 Gerald Rhemann
• 21P/Giacobini-Zinner   1998 November 20 Nov. 20.7396UT 1998 Kompositaufnahme 20 x 40 sec. Genesis Refraktor f/5.0 mit Starlight SX CCD-Kamera. Konrad Horn
• 21P/Giacobini-Zinner   1998 November 19 Nov. 19. 1998. 19:00 UT. Schmidt-Kamera 2.3/495 auf TP hyp., Gornergrat/Schweiz, Helligkeit: 8,5 Otto Guthier
• 21P/Giacobini-Zinner   1998 November 17 Nov. 17.7286UT 1998 Kompositaufnahme 25 x 40 sec. Genesis Refraktor f/5.0 mit Starlight SX CCD-Kamera. Konrad Horn / Neumann
• 21P/Giacobini-Zinner   1998 November 12 Nov. 12. 1998. 17:12 - 17:20 UT. Schmidt camera 250/450 on TP hyp. Michael Jäger
• 21P/Giacobini-Zinner   1998 November 08 Nov. 08. 1998. 16:57 - 17:03 UT. Schmidt camera 225/255/435 on TP 6415 hyp., 5 Minuten belichtet, Koma 5', Schweif 15', Wolken stören, Helligkeit: 9 Gerald Rhemann
• 21P/Giacobini-Zinner   1998 November 05 Nov. 05. 1998. Kompositaufnahme 6 x 60 sec. 17:26 - 17:43 UT. 3' Schweif in PW 60ø. Meade LX200 10" f/10 mit ST8 CCD-Ka Bernhard Häusler
• 21P/Giacobini-Zinner   1998 October 24 Schmidtcamera 250/450, 10 min. Kodak Technical Pan 2415 hyp. Michael Jäger
• 21P/Giacobini-Zinner   1998 October 20 Okt. 20.8130UT 1998 Kompositaufnahme 7 x 150 sec. 12.5' Schweif in PW 80ø. Genesis Refraktor f/5.0 mit Starlight SX CCD Konrad Horn
• 21P/Giacobini-Zinner   1998 October 20 Okt. 20. 1998. 21:07 - 21:17 UT. mit FFC 143/3.5/500 auf Kodak Gold Ultra ASA 400. Albert Schröder
• 21P/Giacobini-Zinner   1998 October 16 Okt. 16.7895UT 1998 Kompositaufnahme 9 x 120 sec. 7' Schweif in PW 77ø. Genesis Refraktor f/5.0 mit Starlight SX CCD-Ka Konrad Horn
• 21P/Giacobini-Zinner   1998 October 16 17:20 – 17:40 UT, 10" f=450mm, Kodalith Ortho Michael Jäger
• 21P/Giacobini-Zinner   1998 October 16 17:50 – 18:00 UT, 10" f=450mm, TP hyp Michael Jäger
• 21P/Giacobini-Zinner   1998 October 12 am 12.10.98. Kompositaufnahme 8 x 120 sec. 18:53 - 19:12 UT. 13' Schweif in PW 77ø. Genesis Refraktor f/5.0 mit Starlig Konrad Horn
• 21P/Giacobini-Zinner   1998 September 25 am 25.09.98. Kompositaufnahme 5 x 150 sec. 21:07 - 21:27 UT. Genesis Refraktor f/5.0 mit Starlight SX CCD-Kamera. Konrad Horn
• 21P/Giacobini-Zinner   1998 September 24 am 24.09.98. Kompositaufnahme 2 x 240 sec. 19:38 - 20:15 UT. Newton 30cm f/5.0 mit ST7. Josef Müller
• 21P/Giacobini-Zinner   1998 September 23 am 23.09.98. Kompositaufnahme 6 x 150 sec. 19:28 - 19:50. Genesis Refraktor f/5.0 mit Starlight SX CCD-Kamera. Konrad Horn
• 21P/Giacobini-Zinner   1998 September 23 20:30 UT, 10" f=450mm, 10 min. auf TP hyp, Helligkeit: 10,1 Michael Jäger
• 21P/Giacobini-Zinner   1998 September 22 am 22.09.98. Kompositaufnahme 5 x 150 sec. 19:12 - 19:31. Genesis Refraktor f/5.0 mit Starlight SX CCD-Kamera. Konrad Horn
• 21P/Giacobini-Zinner   1998 September 11 20:08 – 20:14 UT, FFC 143/500mm f/3,5, Kodak Gold 400 ASA, Bad Salzdetfurth, Helligkeit: 11,2 Albert Schröder
• 21P/Giacobini-Zinner   1998 September 10 18:40 – 18:50 UT, 10" f=450mm, TP hyp, Helligkeit: 10,7 Michael Jäger
• 21P/Giacobini-Zinner   1998 September 09 18:26 – 18:41 UT, 10" f=450mm, Kodalith Ortho, Helligkeit: 10,8 Michael Jäger
• 21P/Giacobini-Zinner   1998 September 09 19:20 UT, 225/255/435mm Schmidtkamera, 5 min. auf Kodak Pro Gold 400/120, Koam 2min. , Schweif 3min. , Innermanzing/NÖ, Helligkeit: 10,7 Gerald Rhemann
• 21P/Giacobini-Zinner   1998 August 26 am 26.08.98. Kompositaufnahme 6 x 150 sec. 20:10 - 20:30 UT. Genesis Refraktor f/5.0 mit Starlight SX CCD-Kamera. Konrad Horn
• 21P/Giacobini-Zinner   1998 August 25 am 25.08.98. Kompositaufnahme 5 x 180 sec. 20:30 - 20:49 UT. Genesis Refraktor f/5.0 mit Starlight SX CCD-Kamera. Konrad Horn
• 21P/Giacobini-Zinner   1998 August 25 am 25. und 26.08.98. Komposit. Genesis Refraktor f/5.0 mit Starlight SX CCD-Kamera. Konrad Horn
• 21P/Giacobini-Zinner   1998 August 17 am 17.08.1998. 20:31 - 20:42 UT. Schmidt-Kamera 250/450 auf TPh.Helligkeit: 12,5 Michael Jäger
• 21P/Giacobini-Zinner   1998 August 10 am 10.08.98. Kompositaufnahme 5 x 180 sec. 20:57 - 21:16 UT. Genesis Refraktor f/5.0 mit Starlight SX CCD-Kamera. Konrad Horn
• 21P/Giacobini-Zinner   1998 August 10 am 10.08.98. Kompositaufnahme aus 30 und 15 sec ab 21:52 UT. Newton 30cm f/5.0 mit ST7. Josef Müller
• 21P/Giacobini-Zinner   1998 August 07 am 07.08.98. Kompositaufnahme 5 x 90 sec. 21:05 - 21:17 UT. Genesis Refraktor f/5.0 mit Starlight SX CCD-Kamera. Konrad Horn
• 21P/Giacobini-Zinner   1998 July 19 am 19.07.1998. 20:55 - 21:08 UT. Schmidt-Kamera 225/255/435 mm auf TP 6415 hyp. Gerald Rhemann
• 21P/Giacobini-Zinner   1998 July 18 05:17 UT, 1x600s, 11" SCT f/3.3, ST-7, Mike Olason, Denver Colorado
• 21P/Giacobini-Zinner   1998 June 25 06:13 UT, 1x600s, 11" SCT f/3.3, ST-7, Mike Olason, Denver Colorado
• 21P/Giacobini-Zinner   1985 September 15 8.06 UT, Celestron Schmidt Camera, 203 mm f/1.5, 11 minutes, Hyped 2415, 218 Joe Kamichitis, John Sabia
• 21P/Giacobini-Zinner   1985 September 15 9.07 UT, Celestron Schmidt Camera, 203 mm f/1.5, 3 minutes, Hyped 2415, 220 Joe Kamichitis, John Sabia
• 21P/Giacobini-Zinner   1985 September 14 01.52 UT, 8" f/1.5 Schmidtcamera, 7 min. Kodak Technical Pan 2415 hyp. Michael Jäger
• 21P/Giacobini-Zinner   1985 September 14 01:52 – 01:59 UT, Helligkeit: 7,8 Michael Jäger
• 21P/Giacobini-Zinner   1985 September 14 7.15 UT, Celestron Schmidt Camera, 203 mm f/1.5, 5 minutes, Hyped 2415, 217 Joe Kamichitis, John Sabia
• 21P/Giacobini-Zinner   1985 September 13 ? UT, 8" f=300mm, TP hyp, Helligkeit: 7,8 Michael Jäger
• 21P/Giacobini-Zinner   1985 September 13 01:45 – 01:52 UT, Michael Jäger
• 21P/Giacobini-Zinner   1985 September 13 01:45 – 01:52 UT, Helligkeit: 7,5 Michael Jäger
• 21P/Giacobini-Zinner   1985 August 24 0.49 UT, Celestron Schmidt Camera, 203 mm f/1.5, 3 minutes, Hyped 2415, 211 Joe Kamichitis, John Sabia
• 21P/Giacobini-Zinner   1985 August 24 1.03 UT, Celestron Schmidt Camera, 203 mm f/1.5, 3 minutes, Hyped 2415, 212 Joe Kamichitis, John Sabia
• 21P/Giacobini-Zinner   1985 August 16 01:55 – 02:55 UT, C14 f/5, TP 2415 hyp Michael Jäger
• 21P/Giacobini-Zinner   1985 August 16 00:55 – 01:40 UT, C14 f/5, Fuji 100 hyp Michael Jäger
• 21P/Giacobini-Zinner   1985 August 12 22.32 UT, C14 f/6, 45 min. Kodak Technical Pan 2415 hyp. Michael Jäger
• 21P/Giacobini-Zinner   1985 August 12 23.24 UT, 8" f/1.5 Schmidtcamera, 2 x 7 min. Kodak Technical Pan 2415 hyp. Michael Jäger
• 21P/Giacobini-Zinner   1985 August 12 22:32 – 23:17 UT, Michael Jäger
• 21P/Giacobini-Zinner   1985 August 12 23:24 – 23:31 UT, 200/300mm Schmidtkamera, Helligkeit: 8,2 Michael Jäger
• 21P/Giacobini-Zinner   1985 August 08 23:14 - 23:32 MESZ mit Teleobjektiv f = 300 mm, Blende 4,0 auf Kodak Tri-X Pan, 4 Fotos, insgesamt 15 min. , Helligkeit 8 mag., Ausschnitt 1,6 x 2,4 Grad Rainer Kracht
• 21P/Giacobini-Zinner   1985 July 25 00:30 – 01:10 UT, 200/300mm Schmidtkamera, Kodak Ektagraphic HC Ortho, Koma 11min. , Schweifansatz PW 245° Michael Jäger
• 21P/Giacobini-Zinner   1985 July 22 00:00 – 00:40 UT, 200/300mm Schmidtkamera, Kodak Ektagraphic HC Ortho, Koma 11min. , Schweifansatz PW 240°, Helligkeit: 9 Michael Jäger
• 21P/Giacobini-Zinner   1985 July 22 00:00 – 00:40 UT, C14 f/5, TP hyp Michael Jäger
• 21P/Giacobini-Zinner   1985 July 22 00:45 – 00:51 UT, 200/300mm Schmidtkamera, TP 2415 hyp, Koma 5min. , Schweif 5min. , Helligkeit: 9 Michael Jäger
• 21P/Giacobini-Zinner   1985 July 19 23:45 UT, f=135mm f/2,8, 10 min. auf Agfachrome RS 1000 keine Angabe
• 21P/Giacobini-Zinner   1985 July 18 23.11 UT, 8" f/1.5 Schmidtcamera, 7 min. Kodak Technical Pan 2415 hyp. Michael Jäger

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