NGC 1999
| Reflection fog | |
|---|---|
| NGC 1999 | |
|
|
| Image of the nebula using the Hubble Space Telescope | |
| Constellation | Orion |
|
Position equinox : J2000.0 |
|
| Right ascension | 05h 36m 25.3s |
| declination | -06 ° 42 ′ 57 ″ |
| Further data | |
| Angular expansion |
2 ', 0x2', 0 |
| distance |
1500 |
| Affiliation | |
| history | |
| discovery |
Wilhelm Herschel |
| Date of discovery |
October 5, 1785 |
| Catalog names | |
| NGC 1999 • LBN 979 • H IV 33 • GC 1202 | |
| Aladin previewer | |
NGC 1999 is a dusty, 1500 light-years distant, reflection nebula in the constellation Orion . Because of the shape of the cloud, it is also known as the Keyhole Nebula . The gas is illuminated by the variable star V380 Orionis and thus also makes the dust structures visible. The nebula is located near the well-known Orion Nebula .
The object was discovered by Wilhelm Herschel on October 5, 1785 .
Web links
Commons : NGC 1999 - collection of images, videos and audio files
