Obs. : 2014-01-30
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.947e+11
Venus      3.923e+11
Earth      4.107e+11
Mars       3.944e+11
Jupiter    4.107e+11
Saturn     3.946e+11
Uranus     4.066e+11
Neptune    3.947e+11
Pluto      3.923e+11