Obs. : 2018-11-18
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.011e+11
Venus      2.954e+11
Earth      3.029e+11
Mars       3.053e+11
Jupiter    3.002e+11
Saturn     3.023e+11
Uranus     3.026e+11
Neptune    3.043e+11
Pluto      3.040e+11