10 Dec 2025
The Heart Nebula is an emission nebula, 7,500 light-years away from Earth and located in the Perseus Arm of the Galaxy in the constellation Cassiopeia. It was discovered by William Herschel on 3 November 1787.
IC1805 Heart Nebula
15 credit
Filter | Avg Exp (s) | Total Exposure | Subframes |
|---|---|---|---|
| SII | 1029 | 10h | 35 |
| Halpha | 1059 | 10h | 34 |
| OIII | 1059 | 10h | 34 |