Herschel 389 (North Up, East Left)
Herschel 389, also known as NGC 2421, is an open cluster in the constellation of Puppis. It contains ~70 stars and lies at a distance of ~7,200 light-years. It is ~79 million years old. 12’ east north-eat is the open cluster Czernik 31, the reality of which is in doubt. This image comprises 10 x Luminance (30 seconds each) and 5 x Red, Green and Blue (30, 30 and 24 seconds each), 0.5m f/2.9 ASA Astrograph with FLI ML3200 camera at an altitude of 35 degrees over three nights, 25, 27 and 27 January 2017. The field of view of the image is 34’ x 23’.
Hills Observatory: 1 January 2013 to 26 May 2020