Teleskop service 12″ Richey-Chretien telescope, Skywatcher EQ8 mount,Atik 383L+ camera, Astronomik Sii, Ha, Oiii filters,
Astro physics 0.67 reducer.
Emission nebula in constellation Cepheus.
spent a good 30 minutes of the framing while the sky darkening. To capture as much of the nebula as possible.
Short nights with only three hours imaging possible, 2×2 binned oxygen and sulphur data cut down exposure times.
Data collected on five nights. 1st, 3rd, 4th, 17th, 18th June 2017.
Sii/ha/oiii image with 11 hours 45 mins of data. 16 x 15min Ha 1×1 binning, 15 x 15min Sii 2×2 binning, 15 x 15min Oiii 2×2 binning.