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Collinder 252

Melotte 109, NGC 4103

Open cluster in Crux

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Proper NameNone
Messier NumberNone
NGC/IC NumberNGC 4103
Other DesignationsCollinder 111, Melotte 109
ConstellationCrux
Right Ascension12h 6m 35s
Declination-61° 14' 47"
Distancec. 6,700 light years
c. 2,100 parsecs
MagnitudeApparent: +7.40
Absolute: -4.17
DiameterApparent: 6'
Actual: 9.3 light years
Optimum VisibilityApril (Usually visible from southern latitudes)

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