Obs. : 2018-12-23
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.817e+11
Venus      3.768e+11
Earth      3.865e+11
Mars       3.941e+11
Jupiter    3.817e+11
Saturn     3.959e+11
Uranus     3.880e+11
Neptune    3.959e+11
Pluto      3.975e+11