117P/Helin-Roman-Alu 1
Large Version
2021 January 16 13:01 UT, Planewave 510mm CDK f/4,5, FLI PL11002M, 400s, T 16,7 mag, N 17,5 mag (10"-Box 17,31 mag), Mayhill, New Mexico, Remote
© 2021 Michael Hauss
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