NGC 2451
Selected MK spectral classification
No
Ref
MKS
0054
557
B7 III
0067
557
A4 IV
0069
557
A2 V
0078
557
B7 V
0079
557
B6 V NN
0087
557
A0 V N
0088
557
B95P
0156
557
B2 IV