NGC7023 Iris Nebula
The Iris Nebula is a reflection nebula in the constellation of Cepheus. NGC7023 consists of the starcluster withing the nebula that is responsible for the blue reflection that is visible.
Distance to earth: 1’300 lightyears
Apparent size: 15 arcminutes (0.5 x the moon)
Imaging time: 9.8 hours
Equipment:
Mount: SW AZEQ6GT
Telescope: SW Evostar 80ED
Camera: Atik 460EX Mono
Capture information:
Date: May – June 2016
Total exposure time: 9.8 hours
Color combination: LRGB
Image data:
35 x 600s LUM
3 x 8 x 600s RGB