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Abell 31

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Abell 31
Emission nebula
Planetary nebula
Observation data: J2000 epoch
Right ascension08h 54m 11.4s
Declination+08° 54′ 30″
ConstellationCancer
Notable featuresA very large and colorful PN
DesignationsSh2-290, PK 219.1+31.2, A 31, ARO 135
See also: Lists of nebulae

Abell 31 is an ancient planetary nebula in the constellation of Cancer. It is estimated to be about 2,000 light years away. Although it is one of the largest planetary nebulae in the sky, it is not very bright.

References