Narrow-band image of IC 1805. North is down.
Interference from clouds reduced the number of sub-exposures for ionized sulphur (SII) and oxygen (OIII)
Date: 16 December 2017
Location: Rennesøy, SW Norway
Telescope: Skywatcher Esprit ED 120 mm f/7 apochromat
Mount: ASA DDM160
Camera: Apogee U16M, CCD temperature -30 C
Exposure time: Ha, OIII, SII 50/40/20 min