- H225 minutes (33 frames)
- L35 minutes (7 frames)
- B10 minutes (2 frames)
- G10 minutes (2 frames)
- R10 minutes (2 frames)
- O10 minutes (1 frame)
The Horsehead Nebula (IC 434) is a dark nebula located in the constellation Orion. It is part of a larger structure known as the Horsehead Nebula, which is a region of active star formation.
IC 434 is approximately 1,260 light-years from the Sun and occupies a significant portion of a neutral hydrogen shell measuring 2° × 4°. In reality, this corresponds to dimensions of 42 light-years by 85 light-years (13 parsecs × 26 parsecs). This object is an H II region, ionized by ultraviolet radiation from the Sigma Orionis (σ Ori) star system.
The Horsehead Nebula is a dark nebula silhouetted against the glowing gas and dust behind it. Its unique shape resembles the profile of a horse's head, making it an easily recognizable object in astronomy.
One of the significant aspects of studying IC 434 is studying the chemical composition and structure of the gas and dust within the nebula. This data helps astronomers understand the processes of star formation and the evolution of stellar systems. New stars are forming in the vicinity of the nebula, which makes this object especially interesting for scientists.
Using infrared telescopes, astronomers can "penetrate" the dust cloud and study hidden details. This allows them to learn more about star systems that may form in the future, as well as about the processes of gravitational interaction and gas compression.
The Horsehead Nebula is an important object for understanding the mechanisms of star formation and evolution in our Galaxy.
| Photo | Date | Frames | Exposure | L | R | G | B | H | O |
|---|---|---|---|---|---|---|---|---|---|
 | 31 May 2022 | 47 | 05:00 | 00:35 | 00:10 | 00:10 | 00:10 | 03:45 | 00:10 |
 | 25 May 2022 | 47 | 05:00 | 00:35 | 00:10 | 00:10 | 00:10 | 03:45 | 00:10 |
 | 23 Jan 2021 | 12 | 02:00 | 02:00 |
Visibility chart of Horsehead Nebula (IC 434) 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•