Obs. : 2016-07-19
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.040e+11
Venus      4.040e+11
Earth      4.106e+11
Mars       4.032e+11
Jupiter    4.027e+11
Saturn     4.048e+11
Uranus     4.384e+11
Neptune    4.256e+11
Pluto      4.119e+11