Dilution factor: 1/10
   Galaxy  Galaxy  total
           seconds hours
 1 NGC6946  1551   0.4
 2 NGC7552  1551   0.9
 3 NGC5194  1983   1.4
 4 NGC4631  1983   2.0
 5 NGC1097  1983   2.5
 6 NGC4736  2424   3.2
 7 NGC4826  2859   4.0
 8 NGC5055  3291   4.9
 9 NGC1482  3291   5.8
10 NGC4536  3723   6.8
11 NGC7331  3831   7.9
12 NGC3627  4272   9.1
13 NGC3521  4272  10.3
14 NGC4254  5139  11.7
15 NGC5713  5571  13.3
16 NGC2798  6012  14.9
17 NGC5033  6447  16.7
18 NGC4321  7420  18.8
19 NGC3351  7861  21.0
20 NGC5195 10578  23.9
21 NGC3621 13191  27.6
22 NGC1566 13734  31.4
23 NGC4569 17754  36.3