Caldwell 17 (North Up, East Left)
Calwell 17, also known as NGC147, is a galaxy in the constellation of Cassiopeia. It is physically paired with galaxy NGC 185, which lies 58' east-southeast and a satellite of Messier 31, making it part of the “local group”. This image comprises 10 x Luminance (120 seconds each) and 6 x Red, Green and Blue (120, 121 and 98 seconds each), 0.5m f/2.9 ASA Astrograph with FLI ML3200 camera at an altitude of 65 degrees over two nights, 2 and 3 November 2016. The fields of view of the images at the top and bottom are 32’ x 21’ and 18’ x 12’ respectively.
Hills Observatory: 1 January 2013 to 26 May 2020