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|H II region|
NGC 1990 around Alnilam
|Observation data: J2000 epoch|
|Right ascension||05h 36m 16.2s|
|Declination||−01° 12′ 07″|
|See also: Lists of nebulae|
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.
- "Simbad query". Retrieved October 5, 2009.
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