Messier 72 (North Up, East Left)
Messier 72, also known as NGC 6981, is a globular cluster in the constellation of Aquarius. It has a diameter of ~110 light-years and lies at a distance of ~62,000 light-years. The first and second images comprises 15 x Luminance (60 seconds each) and 8 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 40 degrees on 7 September 2016.  The fields of view are 32’ x 21’ and 18’ x 12’ respectively. The third anf 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 45 degrees on 28 June 2017.  The fields of view are 132’ x 132’ (2.2 degrees square) and 42’ x 42’, respectively.
Hills Observatory: 1 January 2013 to 6 May 2018
COMETS COMETS
DEEP SKY DEEP SKY