Obs. : 2016-09-23
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.459e+11
Venus      4.337e+11
Earth      4.212e+11
Mars       4.345e+11
Jupiter    4.363e+11
Saturn     4.334e+11
Uranus     4.212e+11
Neptune    4.337e+11
Pluto      4.360e+11