Obs. : 2016-09-12
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.034e+11
Venus      3.986e+11
Earth      3.903e+11
Mars       4.180e+11
Jupiter    4.001e+11
Saturn     4.160e+11
Uranus     3.914e+11
Neptune    4.012e+11
Pluto      4.163e+11