About image NGC 2392, also known as "Eskimo Nebula" is a planetary nebula visible in the constellation Gemini. It is bipolar and is formed by two envelopes; it is surrounded by the gases that made up the outer layers of a solar-type star 10,000 years ago. The visible internal filaments are expelled by a strong wind of particles coming from the central star. NGC 2392 is located at a distance of about 5,000 light years.
Technical data Optic Celestron C9.25 Edge HD f/10 Mount Losmandy G11 with Ovision worm and FS2 Camera Atik 4000 with Starlight Xpress filter wheel 5 positions Filters Baader Ha 7nm and OIII 8.5nm, 50.8 unmounted Guiding system Starlight SXV-AO-LF, OAG Starlight Xpress and Lodestar Exposure details Ha 27x120" bin1 -20C OIII 26x120" bin1 -20C Total integration 1.8h Acquisition Maxim, PHD2 Processing Maxim, Photoshop CS5 SQM-L 18.30 Location Home terrace (Rescaldina, Italy) Date 5 February 2016