NGC 6231 in BinoSky, a guide to astronomy with binoculars.


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Open cluster NGC6231 in Scorpius

A map of the star field. Magnitudes are given without a decimal point, e.g. 67 is to be interpreted as magnitude 6.7.

Data (Janes, Duke, and Lynga, 1987)

RA 16 54

dec -41 49

total V magnitude 2.6

NGC number 6231

Trumpler class I 3 p

angular diameter 14'

distance 1900 pc

age (Myr) 10

integrated B-V .23

observed stars 93

earliest sp. class O8

brightest star 6.0

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	A map of the star field. Magnitudes are given without a decimal point, e.g. 67 is to be interpreted as magnitude 6.7.

Data (Janes, Duke, and Lynga, 1987)
RA	16 54
dec	-41 49
total V magnitude	2.6
NGC number	6231
Trumpler class	I 3 p
angular diameter	14'
distance	1900 pc
age (Myr)	10
integrated B-V	.23
observed stars	93
earliest sp. class	O8
brightest star	6.0