Obs. : 2014-08-28
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.133e+11
Venus      4.140e+11
Earth      4.290e+11
Mars       4.168e+11
Jupiter    4.140e+11
Saturn     4.168e+11
Uranus     4.229e+11
Neptune    4.253e+11
Pluto      4.304e+11