Messier 109, also known as NGC 3992, is agalaxy of type SBbc in the constellation of UrsaMajor. It has a diameter of ~110,000 light-years. In the bottom image, the galaxy to the south-southwest is PGC 37553 and the galaxy to the east-northeast is PGC 37700.The top and bottom images comprise 6 x Luminance (300 seconds each), 0.101m f/5.4 Tele Vue refractor with FLI ML16200 camera at an altitude of 65 degrees on 29 December 2016. The fields of view of the top and bottom images are 132’ x 132’ (2.2 degrees square) and 42’ x 42’, respectively.
Hills Observatory: 1 January 2013 to 30 March 2020