Messier 108 - Spiral Galaxy in Ursa Major

Messier 108 – Spiral Galaxy in Ursa Major

Description: - Messier 108, aka NGC 3556. A Spiral Galaxy in Ursa Major. See also the wide field at Merak Camera: ASI533MM Filter: Chroma L Scope: Astro-Physics AP130EDT, 1085mm at f/8.35 Guiding: ASI 220 on OAG Exposure: 54 minutes total of 18 x 3 minutes Luminance only Location: Home in Calgary, Alberta under Bortle 8 skies Date: 2025-04-24 Notes: This is one of my QAD (Quick And Dirty) shots, imaging from my backyard in the city. I ran into problems with the set taken this night with large dust blobs that didn’t remove with the flats taken. This forced heavy cropping of the image to get this QAD result. Processed in PixInsight with BlurXT and NoiseXT.

Messier 108 – Spiral Galaxy in Ursa Major

Description: - Messier 108, aka NGC 3556. A Spiral Galaxy in Ursa Major. See also the wide field at Merak
Camera: ASI533MM
Filter: Chroma L
Scope: Astro-Physics AP130EDT, 1085mm at f/8.35
Guiding: ASI 220 on OAG
Exposure: 54 minutes total of 18 x 3 minutes Luminance only
Location: Home in Calgary, Alberta under Bortle 8 skies
Date: 2025-04-24
Notes: This is one of my QAD (Quick And Dirty) shots, imaging from my backyard in the city. I ran into problems with the set taken this night with large dust blobs that didn’t remove with the flats taken. This forced heavy cropping of the image to get this QAD result. Processed in PixInsight with BlurXT and NoiseXT.