Messier 52 (North Up, East Left)
Messier 52, also known as NGC 7654 and the "Salt-and-Pepper" cluster is an open cluster in the constellation of Cassiopeia. It has a diameter of ~10 light-years, lies at a distance of ~3,000 light-years and is ~35 million years old. The first image comprises 8 x Luminance (20 seconds each) and 4 x Red, Green and Blue (20, 21 and 14 seconds each), 0.5m f/2.9 ASA Astrograph with FLI ML3200 camera at an altitude of 50 degrees over two nights on 20 and 22 August 2015. The field of view is 34’ x 23’. The second and third images comprise 12 x Luminance (300 seconds each), 0.101m f/5.4 Tele Vue refractor with FLI ML16200 camera at an altitude of 55 degrees over two nights, 9 September 2018 and 31 August 2019. The fields f view are 132’ x 132’ (2.2 degrees square) and 18' x 12', respectively. The nebula to he south-west of Messier 52 is NGC 7635.
Hills Observatory: 1 January 2013 to 26 May 2020
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