Obs. : 2014-06-12
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.867e+11
Venus      3.755e+11
Earth      4.210e+11
Mars       4.426e+11
Jupiter    4.054e+11
Saturn     4.376e+11
Uranus     3.887e+11
Neptune    4.090e+11
Pluto      4.128e+11