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 the constellation Serpens. The star cluster 6611, located at 11 O’clock in my image, is causing the gas clouds to shine.
Tricky low altitude object.
It has a large oxygen and sulphur compoment so an excellent choice for a hubble palette image.
Bright nebula so two hours of data was enough for a nice image.
Data collected on one night. 19th June 2017.
Sii/ha/oiii image with 11 hours 45 mins of data. 6 x 7.5min Ha 1×1 binning, 5 x 7.5min Sii 2×2 binning, 5 x 7.5min Oiii 2×2 binning.