NGC 6633
Washington observations
No
Ref
T1
CM
MT1
T1T2
M51
N
0070
17
0.834
0.665
0.471
3
0100
17
1.303
0.844
0.561
3
0106
17
1.239
0.854
0.636
3
0119
17
1.146
0.813
0.557
3
0126
17
1.188
0.825
0.555
3