Obs. : 2018-08-23
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.813e+11
Venus      3.799e+11
Earth      3.822e+11
Mars       3.847e+11
Jupiter    3.810e+11
Saturn     3.836e+11
Uranus     3.891e+11
Neptune    3.822e+11
Pluto      3.847e+11