C/2019 L3 (ATLAS) 2021-Nov-16 Eliot Herman

Comet Atlas conjunction with galaxies Arp 143 (NGC 2444/5) and PGC 21754

Comet Atlas had a close conjunction with Arp 143 (above) that is a collisional ring of galaxies. Comet Atlas passed in a very close conjunction to the spiral galaxy PGC 21754 just above the comet's nucleus. iTelescope T19 30 min Lum and 15 min H-alpha from 300 sec images processed with Astro Pixel Processor

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