NGC 1977
| NGC 1977 | |
|---|---|
 |
|
| Image taken with the 81 cm reflector telescope at the Mount Lemmon Observatory | |
|
Observation dates equinox : J2000.0 , epoch : J2000.0 |
|
| Constellation | Orion |
| Right ascension | 05 h 35 m 15.8 s |
| declination | −4 ° 49 ′ 40 ″ |
| Physical data | |
| Affiliation | Orion-A molecular cloud, Milky Way |
| distance | approx. 460 pc (1500 ly) |
| app diameter | 20 ' |
| history | |
| Explorer | William Herschel |
| Discovery date | January 18, 1786 |
| Designations and catalog entries | |
| IRAS 05327-0457, OCl 525, H V 30, Ced 55e | |
NGC 1977 designates an H II region and the young, in this star-forming region located open clusters . NGC 1977 is located in the constellation Orion, immediately north of the Orion Nebula , and is part of the Orion A molecular cloud at a distance of about 500 parsecs .
The NGC entries NGC 1973 and NGC 1975 denote parts of NGC 1977. They go back to observations made by Heinrich d'Arrest on December 16, 1862 and October 3, 1864, respectively.
Web links
- SIMBAD Astronomical Database
- Spektrum .de: amateur recordings [1]