• 123P/West-Hartley   2018 October 23 01:26:32 UT, 1320s exp. (22x60s), 0.7-m (f/4) L + CCD PL47-10 FLI + R filter, 0.95"/pixel. m1=16.5, Coma 16", DC 7. Tail 1 min. long in p.a. 295 deg. Alexander Baransky, Kyiv comet station (MPC 585), Ukraine
• 123P/West-Hartley   2018 October 14 02.00 - 03.23 UT, 33 x 120 s, ISO800, Canon EOS 6D MkII, TSAPO100Q, Köditz centered on comet Steffen Fritsche
• 123P/West-Hartley   2018 October 14 02:28:31 UT, 600s exp. (10x60s), 0.7-m (f/4) L + CCD PL47-10 FLI + R filter, 0.95"/pixel. m1=16.8, Coma 15", DC 7. Tail 1.8 min. long in p.a. 292 deg. Alexander Baransky, Kyiv comet station (MPC 585), Ukraine
• 123P/West-Hartley   2018 October 10 02:17:28 UT, 660s exp. (11x60s), 0.7-m (f/4) L + CCD PL47-10 FLI + R filter, 0.95"/pixel. m1=16.8, Coma 12", DC 6. Tail 41" long spread in p.a. 252-324 deg. Alexander Baransky, Kyiv comet station (MPC 585), Ukraine
• 123P/West-Hartley   2018 September 12 11:14 UT, 3x300s Gif, m=17.8, thin wispy clouds, 11" SCT f/6.4, STF-8300M, Mike Olason, Denver Colorado
• 123P/West-Hartley   2018 September 12 11:14 UT, 3x300s, m=17.8, 12" tail PA 299 degrees, 11" SCT f/6.4, STF-8300M, Mike Olason, Denver Colorado
• 123P/West-Hartley   2018 September 10 03:00 UT, 5x 2min, 16" f/2.5, CDS-5D Roland Fichtl
• 123P/West-Hartley   2011 June 21 20.48 UT, 4x140 sec. 10" f/3.8 Sigma 6303 CCD Michael Jäger
• 123P/West-Hartley   2011 May 23 20.42 UT, 6x180 sec. 10"/3.8 SXV-H9 Michael Jäger
• 123P/West-Hartley   2011 April 19 19.26 UT, 10"/3.8 6x180sec. SXV-H9 Michael Jäger
• 123P/West-Hartley   2011 April 08 22.43 UT, 5x2 Manfred Chudy
• 123P/West-Hartley   2011 March 28 19:50 - 20:05 UT, 60cm f/8 Cassegrain, SBIG STL-11000, 8 x 120 sec. Andre Wulff
• 123P/West-Hartley   2011 March 28 20:31-21:47 UT, 7x600s,80mm Triplet-APO f/7,ATIK16HR + IR-filter,C28 Wellinghofen Thorsten Zilch
• 123P/West-Hartley   2011 March 28 19:57 UT, 10"Newtonian F=1.25m 382s 800ASA Canon 1000Da Christian Harder
• 123P/West-Hartley   2011 March 25 21.11 UT, Newton 200/580 ATIK 314L+ 10 x 90 sec., collimation not perfect Stefan Beck
• 123P/West-Hartley   2011 March 08 20:39 - 21:28 UT, 20 x 2 min. exposure, 12" SCT f-5.65 + CCD ST10XME 16.70 mag, coma: 10", tail: 15" in PA98 centered on star Bernhard Häusler
• 123P/West-Hartley   2011 March 08 20:39 - 21:28 UT, 20 x 2 min. exposure, 12" SCT f-5.65 + CCD ST10XME 16.70 mag, coma: 10", tail: 15" in PA98 centered on comet Bernhard Häusler
• 123P/West-Hartley   2011 March 08 20.00 UT, 12" Newtonian f/4.8, coma 0.25, tail 0.008, PA 95, ST10-XME CCD, 60x30 Josef Müller
• 123P/West-Hartley   2011 March 05 18.47 UT, 8 x 180 sec. 12"/3.3 Deltagraph, Sigma 6303 CCD Michael Jäger
• 123P/West-Hartley   2011 February 08 20:10-21:25 UT ,15x300s,102mm refractor f/10,ATIK 314LC + IR-filter,Dortmund,Germany Thorsten Zilch
• 123P/West-Hartley   2011 February 08 20:56 UT, 12 x 10 min. exposure, 12" SCT f-5.65 + CCD ST10XME 16.73 mag, coma: 9", tail: 23" in PA99 centered on star Bernhard Häusler
• 123P/West-Hartley   2011 February 08 20:56 UT, 12 x 10 min. exposure, 12" SCT f-5.65 + CCD ST10XME 16.73 mag, coma: 9", tail: 23" in PA99 centered on comet Bernhard Häusler
• 123P/West-Hartley   2011 February 08 20:56 - 22:59 UT, animation of 12 x 10 min. exposures, 12" SCT f-5.65 + CCD ST10XME 16.73 mag, coma: 9", tail: 23" in PA99 Bernhard Häusler
• 123P/West-Hartley   2011 February 07 17:44 UT, 20"Newtonian F=2.5m 425s 800ASA Canon 1000D Christian Harder
• 123P/West-Hartley   2011 February 06 19.45 UT, Newton 200/580 ATIK 314L+ 15 x 60 sec., collimation not perfect Stefan Beck
• 123P/West-Hartley   2011 January 30 21:17 - 22:48 UT , 6 x 15 min. exposure, 12" SCT f-5.65 + CCD ST10XME, 16.80 mag, coma: 9", tail: 30" in PA109 Bernhard Häusler
• 123P/West-Hartley   2011 January 04 22:47 - 23:21 UT , 11 x 3 min. exposure, 12" SCT f-5.65 + CCD ST10XME, 16.58 mag, coma: 7" centered on star Bernhard Häusler
• 123P/West-Hartley   2011 January 04 22:47 - 23:21 UT , 11 x 3 min. exposure, 12" SCT f-5.65 + CCD ST10XME, 16.58 mag, coma: 7" centered on comet Bernhard Häusler
• 123P/West-Hartley   2010 December 25 23:53 UT, 21 min., 12"SCT f/5.65, CCD ST10XME clear-filter, 16.70 mag, coma: 10", tail: 15" in PA195 Bernhard Häusler
• 123P/West-Hartley   2004 April 11 95 UT, Schmidtkamera 200/300 6x60 sec. SXVH-9 CCD M. Jäger/G. Rhemann
• 123P/West-Hartley   2004 March 17 00 UT, Schmidtkamera 200/300 3x4 min. SXVH-9 CCD M. Jäger/G. Rhemann
• 123P/West-Hartley   2004 March 17 .96 UT, Schmidtkamera 200/300 3x4 min. SXVH-9 CCD M. Jäger/G. Rhemann
• 123P/West-Hartley   2004 February 25 00.05 UT, Schmidtkamera 200/300 10x70 sec. SXVH-9 CCD Michael Jäger and Gerald Rhemann
• 123P/West-Hartley   2004 February 17 .008 UT, Schmidtkamera 200/300 6x100 sec. SXVH-9 CCD M. Jäger/G. Rhemann
• 123P/West-Hartley   2003 November 04 00.15 UT, 30cm f/3.3 Deltagraph, 2 x 3 min. SXVH-9 CCD Michael Jäger and Gerald Rhemann
• 123P/West-Hartley   1996 January 14 23:15 – 23:28 UT, 250/450mm Schmidtkamera, TP hyp Michael Jäger
• 123P/West-Hartley   1996 January 14 21:01 – 21:15 UT, 250/450mm Schmidtkamera, TP hyp Michael Jäger
• 123P/West-Hartley   1995 December 26 01:11 – 03:00 UT, Schmidt-Kamera MPT-200 f=400mm f/2,4, Kodak TP 6415 hyp, Schott GG 400, Belichtung wegen aufkommender Wolken mehrmals unterbrochen, Hoher List IG Astrofotografie Bochum

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