Messier 47 (North Up, East Left)
Messier 47, also known as NGC 2422 and NGC 2478, is an open cluster containing ~30 stars in the constellation of Puppis. It has a diameter of ~16 light-years, lies at a distance of ~1,800 light-years and is ~78 million years old. The top 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 40 degrees on 10 December 2015. The field of view of the image is 29’ x 19’. The middle and bottom images comprise 6 x Luminance (300 seconds each), 0.101m f/5.4 Tele Vue refractor with FLI ML16200 camera at an altitude of 40 degrees on 29 December 2016. The fields of view of the middle and bottom images are 132’ x 132’ (2.2 degrees square) and 42’ x 42’, respectively.
Hills Observatory: 1 January 2013 to 26 May 2020