The comet 46P/Wirtanen (bluish/green smudge):
46P/Wirtanen – December 14, 2018 – F 2.8. 2.7 sec, ISO 3200, 200 mm.
46P/Wirtanen – December 14, 2018 – F 2.8. 2.3 sec, ISO 16000, 200 mm.
46P/Wirtanen – December 14, 2018 – F 2.8. 4.6 sec, ISO 3200, 200 mm.
46P/Wirtanen – December 14, 2018 – F 2.8. 2.8 sec, ISO 2000, 200 mm.
Previously:
Searching for 46P/Wirtanen (December 9, 2018)