Solutons to 2C.2
Mass of black hole in meters: 2180875.089886
Times for 'close' observer in seconds:
21600, 25200, 43200, 64800, 83700, 84600, 86400, 
Times for 'far' observer in seconds:
32400, 36000, 48600, 68400, 81000, 82800,