Herschel 39 and Caldwell 20 (North Up, East Left)
Herschel 39, also known as NGC 7000, Caldwell 20 and "North America Nebula", is an emission nebula in the constellation of Cygnus.  It has a diameter of ~60 light-years, lies at a distance of ~1,600 light-years. The image comprises 6 x Luminance (300 seconds each), 0.101m f/5.4 Tele Vue refractor with FLI ML16200 camera at an altitude of 70 degrees on 28 June 2017.  The field of view is 132’ x 132’ (2.2 degrees square).
Hills Observatory: 1 January 2013 to 8 October 2018
COMETS COMETS
DEEP SKY DEEP SKY