Messier 81 (North Up, East Left)
Messier 81, also known as NGC 3031, is agalaxy of type Sab in the constellation of Ursa Major. It has a diameter of ~60,000 light-years. In the second image, the galaxy to the north is Messier 82 and the galaxy to the east-northeast is NGC 3077. In first and third images, the faint galaxy to the east is PGC 28757. The first image comprises 10 x Luminance (60 seconds each) and 5 x Red, Green and Blue (60, 62 and 50 seconds each), 0.5m f/2.9 ASA Astrograph with FLI ML3200 camera at an altitude of 50 degrees on 14 February 2018. The ield of view is 34’ x 23’. The second and third images comprise 6 x Luminance (300 seconds each), 0.101m f/5.4 Tele Vue refractor with FLI ML16200 camera at an altitude of 45 degrees on 29 December 2016. The fields of view are 132’ x 132’ (2.2 degrees quare) and 42’ x 42’, respectively.
Hills Observatory: 1 January 2013 to 26 May 2020