SAI OCL Catalog — NGC 1931

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SAI OCL Catalog — NGC 1931

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l: 173.925°
b: 0.267°
diameter: 6.0'
(m - M)₀: 10.06 ± 0.2
distance: 1000 ± 120 pc
E(B - V): 1.97 ± 0.2
log(t): < 7.0

NGC 1931

Cluster image from 2MASS/DSS

Hess diagram (J, J-H) (download postscript)

Color-magnitude diagram (J, J-H) (download postscript)

Following data are available:

(J, J-H) isochrone
2MASS data
IPHAS IDR data