Obs. : 2017-08-24
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.782e+11
Venus      3.941e+11
Earth      3.665e+11
Mars       3.825e+11
Jupiter    3.726e+11
Saturn     3.742e+11
Uranus     3.828e+11
Neptune    3.665e+11
Pluto      3.742e+11