Messier 37 (North Up, East Left)
Messier 37, also known as NGC 2099 is an open cluster containing ~150 stars in the constellation of Auriga. It lies at a distance of ~4,400 light-years, has a diameter of ~25 light years and is ~300 million years old. The first image comprises 10 x Luminance (10 seconds each) and 5 x Red, Green and Blue (15, 15 and 12 seconds each), 0.5m f/2.9 ASA Astrograph with FLI ML3200 camera at an altitude of 70 degrees on 27 January 2017. The field of view of the image 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 80 degrees on 20 October 2017. The fields of view are 132’ x 132’ (2.2 degrees square) and 42' x 42', respectively.
Hills Observatory: 1 January 2013 to 26 May 2020