Obs. : 2019-08-23
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.392e+11
Venus      3.346e+11
Earth      3.499e+11
Mars       3.346e+11
Jupiter    3.433e+11
Saturn     3.442e+11
Uranus     3.557e+11
Neptune    3.499e+11
Pluto      3.490e+11