|
NGC 7023 |
(Home) |
The Iris Nebula (NGC 7023) is a reflection nebula found in the constellation Cepheus (King of Ethiopia). It is 1,300 light-years away and 6 light-years across.
The image above was taken with the STT-8300 camera at f/8.8 on a 10" RC and AP-900 mount. There is data from the Oregon Star Party August 2015 and August 2016. It is an RGB composite (as detailed below) with a total exposure time of 188 min. All processing was done with PixInsight.
|
Filter |
Exposure | Count | Binning |
| Luminance | (none) | ||
| Red | 62 min | 31 x 2 min | 2x2 |
| Green | 54 min | 27 x 2 min | 2x2 |
| Blue | 72 min | 36 x 2 min | 2x2 |