Obs. : 2016-09-21
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.212e+11
Venus      4.165e+11
Earth      4.057e+11
Mars       4.122e+11
Jupiter    4.187e+11
Saturn     4.109e+11
Uranus     4.057e+11
Neptune    4.122e+11
Pluto      4.126e+11