NGC 1931

NGC 1931, is an emission and reflection nebula in the constellation Auriga.  The nebula has been referred to as a "miniature version of the Orion Nebula", as it shares some of the same characteristics.  It is a mixed emission-reflection nebula, and contains a smaller version of the Trapezium in its hot young star cluster centered in the emission nebula.  The entire cluster/nebula complex is only about 3 arcmin in size.  The distance from earth is estimated at about 7000 light years. 

The nebula is Sharpless catalog Sh 2-237. 

References

External links

 NGC 1931 @ Wikisky
 NGC 1931 @ SEDS NGC objects pages
 Sharpless 237

Category:Emission nebulae
Category:Reflection nebulae
Category:Auriga (constellation)
1931
Category:Sharpless objects
Category:Star-forming regions