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Collinder 239

NGC 3572

Open cluster in Carina

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Proper Name	None
Messier Number	None
NGC/IC Number	NGC 3572
Other Designations	Collinder 239
Constellations	Puppis, Carina
Right Ascension	11h 10m 34s
Declination	-60° 17' 38"
Distance	c.8,000 light years c.2,500 parsecs
Magnitude	Apparent: +6.59 Absolute: -5.36
Diameter	Apparent: 6° 5' Actual: 9.5 light years
Optimum Visibility	March (Usually visible from southern latitudes)

The eastern part of this image, including the fifth-magnitude supergiant y Carinae near its eastern edge, belongs to the extensive open cluster Collinder 240. Within that cluster are various more concentrated groups of stars that are idenitifed as smaller clusters in their own right, and one of these is Collinder 239, in the northwestern parts of the wider cluster Collinder 240. Imagery provided by Aladin sky atlas

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v2.1g