Obs. : 2018-08-19
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.133e+11
Venus      4.122e+11
Earth      4.103e+11
Mars       4.070e+11
Jupiter    4.106e+11
Saturn     4.050e+11
Uranus     4.285e+11
Neptune    4.121e+11
Pluto      4.092e+11