13 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. Thirty hours of narrowband data from Telescope Live remote observatory in Spain, using Takahashi widefield refractor.
IC1805 Heart Nebula
15 credit
Filtro | Exp. media (s) | Esposizione totale | Sottoframe |
|---|---|---|---|
| SII | 1029 | 10h | 35 |
| Halpha | 1059 | 10h | 34 |
| OIII | 1059 | 10h | 34 |