Herschel 355 (North Up, East Left)
Herschel 355, also known as NGC 2420, is an open cluster in the constellation of Gemini.  It lies at a distance of ~8,200 light-years and is ~4 billion years old. 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 50 degrees on 31 October 2017. The fields of view are 34’ x 23’ and 18' x 12', respectively.
Hills Observatory: 1 January 2013 to 16 November 2018
COMETS COMETS
DEEP SKY DEEP SKY