C/2017 T3 ATLAS
- C/2017 T3 ATLAS 2018 April 08 18:09:15 UT, 720s exp. (12x60s), 0.7-m (f/4) L + FLI PL47-10 + R filter, 0.95"/pixel. m1=14.4, Coma 28", DC 5. Tail 2 min. long spead in p.a. 324-43 deg. Kyiv comet station (MPC 585).
Alexander Baransky, Ukraine
- C/2017 T3 ATLAS 2018 March 22 17:44:47 UT, 840s exp. (14x60s), 0.7-m (f/4) L + FLI PL47-10 + R filter, 0.95"/pixel. m1=15.1, Coma 22", DC 5. Tail 2 min. long p.a. 2 deg., curved CW. Kyiv comet station (MPC 585).
Alexander Baransky, Ukraine
- C/2017 T3 ATLAS 2018 March 08 18.40 UT, 9x90sec. 12"/4 ASI 1600 2x2
Michael Jäger
- C/2017 T3 ATLAS 2018 February 06 17:46:43 UT, 1200s exp. (20x60s), 0.7-m (f/4) L + FLI PL47-10 + R filter, 0.95"/pixel. m1=15.8, Coma 22", DC 5. Tail 40" long spread in p.a. 346-59 deg. Kyiv comet station (MPC 585).
Alexander Baransky, Ukraine
- C/2017 T3 ATLAS 2018 January 08 18:44:07 UT, 600s exp. (10x00s), 0.7-m (f/4) L + FLI PL47-10 + R filter. m1=16.7, Coma 14", DC 6. Stellar inner coma, fan-shaped tail 25" long spread in PA 349-96 deg. Kyiv comet station (MPC 585).
Alexander Baransky, Ukraine
- C/2017 T3 ATLAS 2017 November 22 17.52 - 18.26 UT, 15 x 120s ISO3200, TSAPO100Q (100x580mm), CanonEOS 700da mit Astronomik UV-IR-Blockfilter, Köditz
Steffen Fritsche
- C/2017 T3 ATLAS 2017 November 14 17.03 UT, 13x120sec.12"/4 ASI 1600 2x2
Michael Jäger
- C/2017 T3 ATLAS 2017 November 13 18:50 UT, 4x 5min, 16" f/2.5, SBIG 8300M
Roland Fichtl
- C/2017 T3 ATLAS 2017 November 12 03:27 UT, 6x300s, 11" SCT f/6.4, STF-8300M,
Mike Olason, Denver Colorado
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