02 Feb 2024
NGC 1788 is an unusual reflection nebula (bluish white at the centre of the image) surrounded by a glowing red ring of hydrogen gas. (NoirLab)
NGC 1788
5 credit
Filter | Avg Exp (s) | Total Exposure | Subframes |
|---|---|---|---|
| Green | 287 | 1h50m | 23 |
| Blue | 248 | 1h35m | 23 |
| Luminance | 339 | 2h10m | 23 |
| Red | 327 | 2h | 22 |