Obs. : 2016-10-13
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.837e+11
Venus      3.997e+11
Earth      3.880e+11
Mars       4.024e+11
Jupiter    3.837e+11
Saturn     4.025e+11
Uranus     3.879e+11
Neptune    3.962e+11
Pluto      4.024e+11