Dilution factor: 1/15
   Galaxy  Galaxy  total
           seconds hours
 1 NGC7552  1071   0.3
 2 NGC6946  1395   0.7
 3 NGC1097  1616   1.1
 4 NGC5194  1725   1.6
 5 NGC4631  1725   2.1
 6 NGC4736  2158   2.7
 7 NGC4826  2158   3.3
 8 NGC1482  2484   4.0
 9 NGC5055  2813   4.8
10 NGC4536  3030   5.6
11 NGC7331  3138   6.5
12 NGC3627  3354   7.4
13 NGC3521  3354   8.3
14 NGC5713  4227   9.5
15 NGC4254  4227  10.7
16 NGC2798  4767  12.0
17 NGC5033  5313  13.5
18 NGC3351  6185  15.2
19 NGC4321  6185  16.9
20 NGC5195  8685  19.3
21 NGC3621 10422  22.2
22 NGC1566 10968  25.3