23 Apr 2023
The Dolphin-Head Nebula is the common name of a HII region in the constellation Canis Major. Other designations are Sh2-308, RCW 11, and LBN 1052. The nebula surrounds a Wolf-Rayet star named EZ Canis Majoris.
Sh 2-308
3 credit
Filter | Avg Exp (s) | Total Exposure | Subframes |
|---|---|---|---|
| Halpha | 1371 | 2h40m | 7 |
| Red | 171 | 20m | 7 |
| Green | 171 | 20m | 7 |
| Blue | 150 | 15m | 6 |