Messier 5 (North Up, East Left)
Messier 5, also known as NGC 5904, is a globular cluster contaiing ~100,000 stars in the constellation of Serpens. It lies at a distance of ~24,000 light-years and has a diameter of ~150 light-years. It is ~13 billion years old. This first and second images comprise 10 x Luminance (60 seconds each) and 5 x Red, Green and Blue (60, 61 and 49 seconds each), 0.5m f/2.9 ASA Astrograph with FLI ML3200 camera at an altitude of 55 degrees on 4 June 2016. The fields of view are 34’ x 23’ and 18’ x 12’ respectively. The third and fourth images comprise 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 28 March 2017. The fields of view are 132’ x 132’ and 42’ x 42’ respectively. The bright star to the south- southeast of the cluster is magnitude 5.0 HIP 74975.
Hills Observatory: 1 January 2013 to 26 May 2020