C/2015 XY1 Lemmon
- C/2015 XY1 Lemmon 2019 December 18 20h17m UT, FLI ML16200 ASA 12"f/3.6 Bel.:20min., Remote,
Gerald Rhemann
- C/2015 XY1 Lemmon 2018 February 06 20:45 UT, 5x 3min, 16" f/2.5, SBIG 8300M, bin2
Roland Fichtl
- C/2015 XY1 Lemmon 2018 January 20 06:41 UT, Planewave 510mm CDK f/4,5, FLI PL11002M, 300s, T 17,5 mag, N 17,5 mag (10"x10"-Box: 17,53 mag), Afroh 1700:, Mayhill, New Mexico, Remote,
Michael Hauss
- C/2015 XY1 Lemmon 2017 December 18 19:45 UT, 139x15 sec, Newton 12", F/2.8, Pentax K-3, Seredino, Russia
Mikhail Maslov, Novosibirsk, Russia
- C/2015 XY1 Lemmon 2017 November 25 11:00 UT, Planewave 17" CDK f/4,5, FLI PL6303E, 300s, T 17,7 mag, N 17,7 mag (10"x10"-Box: 17,85 mag), Mayhill, New Mexico, Remote,
Michael Hauss
- C/2015 XY1 Lemmon 2017 March 04 20:20:52 UT, 960s exp.(16x60s), 0.7-m (f/4) L + FLI PL47-10 + R filter, 0.95"/pixel. m1=17.4, Coma 15", DC 7. Tail 14" long in p.a. 79 deg. Kyiv comet station (MPC 585)
Alexander Baransky, Ukraine
- C/2015 XY1 Lemmon 2017 February 18 08:55 UT, 2x600s, 11" SCT f/6.4, STF-8300M,
Mike Olason, Denver Colorado
- C/2015 XY1 Lemmon 2017 February 15 20:50:35 UT, 720s exp.(12x60s), 0.7-m (f/4) L + FLI PL47-10 + R filter, 0.95"/pixel. m1=17.5, Coma 12", DC 7. Tail 17" long in p.a. 78 deg. Kyiv comet station (MPC 585)
Alexander Baransky, Ukraine
- C/2015 XY1 Lemmon 2017 January 25 21:42:39 UT, 1440s exp.(24x60s), 0.7-m (f/4) L + FLI PL47-10 + R filter, 0.95"/pixel. m1=17.7, Coma 14", DC 7. Tail 40" long in p.a. 80 deg. Kyiv comet station (MPC 585)
Alexander Baransky, Ukraine
- C/2015 XY1 Lemmon 2017 January 19 16:53 UT, 40x15 sec, f=1200, F/4, Pentax K-3, Stepnoye, Russia
Mikhail Maslov, Novosibirsk, Russia
- C/2015 XY1 Lemmon 2017 January 19 16:53 UT, 40x15 sec, f=1200, F/4, Pentax K-3, Stepnoye, Russia, wide field with bright stars
Mikhail Maslov, Novosibirsk, Russia
- C/2015 XY1 Lemmon 2017 January 01 09:13 UT, 1x300s, 11" SCT f/4, ST-402ME,
Mike Olason, Denver Colorado
- C/2015 XY1 Lemmon 2016 November 28 2.56 UT, 12x300sec.12"/4 Moravian G3-16200 2x2 bin
Michael Jäger
- C/2015 XY1 Lemmon 2016 May 02 21:15 UT, 7x 5min, Newton 400mm f/2.5, SBIG 8300M
Roland Fichtl
- C/2015 XY1 Lemmon 2016 February 12 07:43 UT, 3x600s, 11" SCT f/6, STF-8300M,
Mike Olason, Denver Colorado
- C/2015 XY1 Lemmon 2016 January 28 08:28 UT, 4x600s, 11" SCT f/6, STF-8300M,
Mike Olason, Denver Colorado
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