Day 369! Chasing Comet C/2023 A3 (Tsuchinshan-ATLAS) – aka Comet A3 Thank you, lnw0408 for being the assistant videographer today! #photography #cometa3 #comet #astro #sony #astrophotography #type2fun #fun #adventure #hike #stmarysglacier #colorado #denver sonyalpha