C/2017 Y2 PANSTARRS
- C/2017 Y2 PANSTARRS 2021 June 02 22.16 UT, 10x2 min 12" f=4 QHY 600 16m1 coma 20" tail 70"
Michael Jäger
- C/2017 Y2 PANSTARRS 2021 May 18 09:31 UT, 4x300s, G=16.3, 12" Coma, 11" SCT f/6.4, STF-8300M,
Mike Olason, Tucson Arizona
- C/2017 Y2 PANSTARRS 2021 April 12 18:32 UT, 20" CDK f/4,5, FLI PL6303E, 400s, T 16,5 mag, N 16,7 mag (10"-Box 16,51 mag), Siding Spring, Australien, Remote,
Michael Hauss
- C/2017 Y2 PANSTARRS 2020 June 01 10:27 UT, Planewave 510mm CDK f/4,5, FLI PL11002M, 300s, T 16,8: mag, N 17,0 mag (10"-Box 16,80 mag), Mayhill, New Mexico, Remote,
Michael Hauss
- C/2017 Y2 PANSTARRS 2020 May 20 23.46 UT, 8x90sec.11"/2.2 RASA QHY600
Michael Jäger
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