- H250 minutes (50 frames)
- O235 minutes (47 frames)
- S225 minutes (45 frames)
The Heart Nebula (NGC 896) is an emission nebula located 7,500 light-years from Earth in the constellation Cassiopeia. It is located in the Perseus Arm of our Milky Way galaxy.
Structure and Composition
The nebula is composed of plasma and ionized hydrogen with some free electrons, giving it a glowing appearance. A region of active star formation, it also contains dark dust lanes that create a complex texture against its background.
Star Cluster Melotte 15
- At the center of the nebula is a group of stars known as Melotte 15, which emits intense red light. - This cluster contains several bright stars with masses up to 50 times that of the Sun, as well as many faint stars with masses much smaller.
- A microquasar, which is a star with an active accretion disk that produces strong X-rays, has also been discovered within the cluster.
Astronomical Significance
The Heart Nebula is an important object for studying the processes of star formation, as well as for understanding the interactions of gas, dust, and stars in regions of active star formation.
This nebula serves as an example of how stars form in dense clouds of gas and dust, and provides astronomers with key clues about the mechanisms of star formation.
| Photo | Date | Frames | Exposure | H | O | S |
|---|---|---|---|---|---|---|
 | 02 Sep 2022 | 142 | 11:50 | 04:10 | 03:55 | 03:45 |
 | 06 Aug 2021 | 142 | 11:50 | 04:10 | 03:55 | 03:45 |
 | 25 Jan 2021 | 142 | 11:50 | 04:10 | 03:55 | 03:45 |
Visibility chart of Heart Nebula (NGC 896) during the day
| Date | Moon Phase | Exposure | CCD Temperature | Gain | Offset | Filter |
|---|---|---|---|---|---|---|
- 2023ixf•
- 40 Eri•
- Abell 74•
- Artemis A868 SA•
- a Canis Minoris•
- C 2020 R4 ATLAS•
- C 2020 T2 Palomar•
- C 2021 S3 (PANSTARRS)•
- Haumea (2003 EL61)•
- HCG 68•
- HCG 92•
- IC 1318B•
- IC 1396•
- IC 1795•
- IC 1805•
- IC 1848•
- IC 1871•
- IC 3322A•
- IC 342•
- IC 4015•
- IC 405•
- IC 417•
- IC 434•
- IC 443•
- IC 4703•
- IC 5070•
- IC 5146•
- IC 63•
- M 1•
- M 101•
- M 103•
- M 109•
- M 13•
- M 15•
- M 27•
- M 3•
- M 33•
- M 42•
- M 45•
- M 5•
- M 51•
- M 57•
- M 63•
- M 64•
- M 74•
- M 76•
- M 81•
- M 82•
- M 86•
- M 87•
- M 94•
- M 97•
- NGC 147•
- NGC 1491•
- NGC 1499•
- NGC 1579•
- NGC 1961•
- NGC 2146•
- NGC 2239•
- NGC 2403•
- NGC 281•
- NGC 4236•
- NGC 4565•
- NGC 4631•
- NGC 507•
- NGC 508•
- NGC 5866•
- NGC 5907•
- NGC 6503•
- NGC 6823•
- NGC 6888•
- NGC 6946•
- NGC 6992•
- NGC 6995•
- NGC 7000•
- NGC 7023•
- NGC 7129•
- NGC 7217•
- NGC 7331•
- NGC 7380•
- NGC 7538•
- NGC 7635•
- NGC 7640•
- NGC 7822•
- NGC 891•
- NGC 896•
- NGC 925•
- PGC 54559•
- Sh2-155•
- Sh2-168•
- Sh2 103•
- Sh2 109•
- Sh2 132•
- T CrB•
- UGC 6930•
- V1405 Cas•
- Vesta A807 FA•