Lawrence Greiner February 23, 2025 Beehive Cluster (M44) ISO 3200f/5.640 lights @ 30 sec each40 dark frames40 flat frames40 biases frames iexos-100 mountD5100 Stock135mm Nikor LensBortle Class 62-7-2025Centennial, CO Stacking, Postprocessing done is SirilDenoise in Topaz Photo AI The Pleiades (M45) ISO 3200f/5.641 lights @ 30 sec each28 dark frames18 flat frames25 biases frames iexos-100 mountD5100 Stock135mm Nikor LensBortle Class 62-7-2025Centennial, CO Stacking, Postprocessing done is SirilDenoise in Topaz Photo AI ← 1993 Lunar Eclipse Effects of light pollution on astrophotography. →