C/2017 S6 Catalina
- C/2017 S6 Catalina 2018 January 10 19:08:52 UT, 1860s exp.(31x60s), 0.7-m (f/4) L + FLI PL47-10 + R filter, 0.95"/pixel. m1=16.7, Coma 35", DC 1. Tail 1.5 min. long in p.a. 40 deg. Pretty large, very diffuse coma (MPC 585).
Alexander Baransky, Ukraine
- C/2017 S6 Catalina 2018 January 06 17.55 UT, 21x90sec.10"/4 ASI 1600 2x2
Michael Jäger
- C/2017 S6 Catalina 2017 December 19 14:05 UT, 121x15 sec, Newton 12", F/2.8, Pentax K-3, Seredino, Russia
Mikhail Maslov, Novosibirsk, Russia
- C/2017 S6 Catalina 2017 December 07 19:51 UT, Planewave 431mm CDK f/6,8, SBIG STL-11000M, 300s, N 18,5 mag (10"X10"-Box 18,46), Koma 10", Schweifansatz PA 88°, Afroh 8, Nerpio, Spanien, Remote,
Michael Hauss
- C/2017 S6 Catalina 2017 November 13 22.53 - 23.42 UT, 22 x 120s ISO3200, TSAPO100Q (100x580mm), CanonEOS 700da mit Astronomik UV-IR-Blockfilter, Köditz centered on comet
Steffen Fritsche
- C/2017 S6 Catalina 2017 November 13 19.59 UT, 9x60sec.12"/4 ASI 1600 2x2
Michael Jäger
- C/2017 S6 Catalina 2017 November 13 20.07 UT, 24x60sec.12"/4 ASI 1600 2x2
Michael Jäger
- C/2017 S6 Catalina 2017 November 12 10:35 UT, 1x120s, 11" SCT f/6.4, STF-8300M,
Mike Olason, Denver Colorado
- C/2017 S6 Catalina 2017 October 31 02:34 UT, 10 x 1 min. exp., 0.30-m f/1873mm SCT + CCD, 18.2 mag (10x10 Box), coma: 15"
Bernhard Häusler
- C/2017 S6 Catalina 2017 October 15 00:32 UT, 6x 3min, 16" f/2.5, SBIG 8300M
Roland Fichtl
- C/2017 S6 Catalina 2017 October 15 12:04 UT, 5x180s, 11" SCT f/6.4, STF-8300M,
Mike Olason, Denver Colorado
- C/2017 S6 Catalina 2017 October 01 3.08 UT, 12x180sec. 12"/4 G3-16200 2x2
Michael Jäger
- C/2017 S6 Catalina 2017 October 01 3.08 UT, animation 12x180sec. 12"/4 G3-16200 2x2
Michael Jäger
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