Obs. : 2016-08-20
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.742e+11
Venus      3.742e+11
Earth      3.774e+11
Mars       3.866e+11
Jupiter    3.742e+11
Saturn     3.866e+11
Uranus     3.839e+11
Neptune    3.768e+11
Pluto      3.805e+11