50x30s, ISO6400, 300mm, f/4, Nikon D750, Hoya Red Intensifier, VIxen Polarie. Published 09/09/2018 at 2048 × 1313 in Comet 21P/Giacobini Zinner at the Lange Nacht der Sterne ← Previous Next → 50x30s, ISO6400, 300mm, f/4, Nikon D750, Hoya Red Intensifier, VIxen Polarie.