Teleskop service 12″ Richey-Chretien telescope, Skywatcher EQ8 mount,Atik 383L+ camera, Astronomik Sii, Ha, Oiii filters,
Astro physics 0.67 reducer.
Ionization front in the constellation Cygnus.
Doubled oxygen and sulphur exposures to 20 minutes as object strong in hydrogen alpha.
Used the Hubble false colour palette to highlight the detail.
Data collected on four nights. 25th, 27th April and 24th, 25 May 2017.
Sii/ha/oiii image with 13 hours of data. 15 x 20min Sii, 20 x 10min Ha, 14 x 20min Oiii 1×1 binning.