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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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(c) Copyright 1998 Benjamin Crowell. All right reserved.
Photos from the Digitized Sky Survey,
Sky maps created by Your Sky,