NGC 1990
From Infogalactic: the planetary knowledge core
| Emission nebula | |
|---|---|
| H II region | |
| reflection nebula | |
NGC 1990 around Alnilam
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| Observation data: J2000 epoch | |
| Right ascension | 05h 36m 16.2s |
| Declination | −01° 12′ 07″ |
NGC 1990 is a reflection nebula which is a molecular cloud of Epsilon Orionis. The stellar winds from Epsilon Orionis, or Alnilam, distribute the nebula approximately up to 2,000 km/s, more than 20 million times that of the stellar winds of the Sun.
References
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