Messier 77and Arp 37 (North Up, East Left)
Messier 77, also known as NGC 1068 and Arp 37, is a galaxy of type (R)SA(rs)b in the constellation of Cetus. It has a diameter of ~110,000 light-years. This first two images comprise 10 x Luminance (45 seconds each) and 5 x Red, Green and Blue (60, 60 and 48 seconds each), 0.5m f/2.9 ASA Astrograph with FLI ML3200 camera at an altitude of 50 degrees on 30 September 2016.  The fields of view of the first two images are 32’ x 21’ and 18’ x 12’ respectively. The third, fouth and fifth images comprises 6 x Luminance (300 seconds each), 0.101m f/5.4 Tele Vue refractor with FLI ML16200 camera at an altitude of 60 degrees on 18 December 2016. The field of view of the third image is 132’ x 132’ (2.2 degrees square).  The bright star to the west-northwest of Messier 77 is magnitude 4.1 SAO 110665.  The bright star to the south- southwest is magnitude 5.7 SAO 130055.  The galaxy to the north-northwest is NGC 1055, also known as Herschel 338.  The two galaxies to the east-southeast are NGC 1090 and NGC 1087. The field of view of the fourth and fifth images, which highlight Messier 77 and NGC1055,  is 42’ x 42’.
Hills Observatory: 1 January 2013 to 6 May 2018