Praesepe
Washington observations
No
Ref
T1
CM
MT1
T1T2
M51
N
0212
1
1.154
0.724
0.464
4
0253
1
1.202
0.734
0.463
3
0283
1
1.257
0.768
0.473
5
0428
1
1.151
0.737
0.465
5
1133
1
0.712
0.553
0.372
5