Galaxy Messier 108

Messier 108 - Galaxy in Ursa Major

Description: Galaxy Messier 108 in Ursa Major. 8.7 x 2.2 arc minutes in size, magnitude fairly bright at 10.7. Also known as NGC3556, the Surfboard Galaxy or Herschel V-46. Camera: ZWO ASI533MC Pro at -15C, gain 100 Mount: ZWO AM5N Filter: Antlia Quad Band light pollution filter Scope: Vixen VC200L Cassegrain, 1800mm F9 Exposure: 28 x 10 minutes or 4 hours, 20 minutes total. Location: Home in S.W. Calgary, Ab. Canada Date: May 2-3, 2025

Messier 108 - Galaxy in Ursa Major

Description: Galaxy Messier 108 in Ursa Major. 8.7 x 2.2 arc minutes in size, magnitude fairly bright at 10.7. Also known as NGC3556, the Surfboard Galaxy or Herschel V-46.
Camera: ZWO ASI533MC Pro at -15C, gain 100
Mount: ZWO AM5N
Filter: Antlia Quad Band light pollution filter
Scope: Vixen VC200L Cassegrain, 1800mm F9
Exposure: 28 x 10 minutes or 4 hours, 20 minutes total.
Location: Home in S.W. Calgary, Ab. Canada
Date: May 2-3, 2025