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Rosette Nebula

NGC 2237, NGC 2238, NGC 2239, NGC 2244

Proper NamesRosette Nebula
Messier NumberNone
NGC/IC NumbersNGC 2237, NGC 2238, NGC 2239, NGC 2246
ConstellationMonoceros
Right Ascension6h 32m 18s
Declination+5° 3' 00"
Distancec.5,500 light years
c.1,700 parsecs
MagnitudeApparent: +4.8
Absolute: -6.3
Mean DiameterApparent: 1° 54'
Actual: c.90 light years
Associated Star(s)NGC 2244
Optimum VisibilityDecember

A roughly spherical nebula in the constellation of Monoceros. It is a rich red-pink in colour, hence its name, and surrounds a young cluster of stars some 5,500 light years from Earth.

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