Nebulae
Iris Nebula
The Iris Nebula (NGC 7023), a reflection nebula in Cepheus 1,300 light-years away, photographed by Pete Lawrence.
Target details
The Iris Nebula (NGC 7023, Caldwell 4) is a bright reflection nebula in Cepheus, about 1,300 light-years away and six light-years across. Strictly speaking, NGC 7023 is the star cluster inside it. The nebula doesn't glow itself: it shines at magnitude +6.8 by reflecting the light of the magnitude +7 star SAO 19158.
Capture details
Data captured 19th & 20th April, 2016.
107x 4min exposures at ISO400.
Equipment details
Orion Europa 200
NEQ6 Pro
Nikon d7100
Skywatcher ST-80
QHY5L-II
Processing details
This image was processed in Pixinsight & Lightroom.