Messier 38 (North Up, East Left)
Messier 38, also known as NGC 1912, the "Letter Pi Cluster" and "Starfish Cluster" is an open cluster in the constellation of Auriga.  It contains ~100 stars and lies at a distance of ~4,200 light-years.  It is ~220 million years old. The first image comprises 10 x Luminance (20 seconds each) and 5 x Red, Green and Blue (20, 20 and 16 seconds each), 0.5m f/2.9 ASA Astrograph with FLI ML3200 camera at an altitude of 80 degrees on 14 December 2015.  The field of view of the image is 27’ x 18’. The second, third and 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 75 degrees on 29 December 2016.  The smaller open cluster to the south of Messier 38 is NGC 1907.  The field of view of the second image is 132’ x 132’ (2.2 degrees square). The field of view of the third and fourth images, which highlight Messier 38 and NGC1907,  is 42’ x 42’.
Hills Observatory: 1 January 2013 to 6 May 2018
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