NGC 188
Washington observations
No
Ref
T1
CM
MT1
T1T2
M51
N
1001
17
1.315
0.870
0.569
4
1069
17
1.637
0.988
0.631
4
1105
17
1.562
0.906
0.585
3
2075
17
1.584
0.998
0.671
4
3004
17
1.391
0.883
0.569
3
3018
17
1.986
1.188
0.833
4