α2000
05:31:25.9
δ2000
+34:12:50
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   VOTable
2MASS data   VOTable
IPHAS IDR data   VOTable