Obs. : 2016-09-18
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.208e+11
Venus      4.208e+11
Earth      4.118e+11
Mars       4.142e+11
Jupiter    4.190e+11
Saturn     4.161e+11
Uranus     4.118e+11
Neptune    4.080e+11
Pluto      4.098e+11