Obs. : 2016-02-16
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.327e+11
Venus      4.327e+11
Earth      4.043e+11
Mars       4.174e+11
Jupiter    4.082e+11
Saturn     4.214e+11
Uranus     4.100e+11
Neptune    4.231e+11
Pluto      4.324e+11