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Collinder 397

NGC 6755

Open cluster in Aquila

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Proper Name	None
Messier Number	None
NGC/IC Number	NGC 6755
Other Designations	Collinder 397
Constellation	Aquila
Right Ascension	19h 7m 45s
Declination	+4° 13' 46"
Distance	c. 6,200 light years c. 1,900 parsecs
Magnitude	Apparent: +7.50 Absolute: -3.88
Diameter	Apparent: 14' Actual: 18.9 light years
Number of Stars	c. 400
Optimum Visibility	July

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