Obs. : 2014-01-18
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.152e+11
Venus      4.214e+11
Earth      4.027e+11
Mars       4.024e+11
Jupiter    4.027e+11
Saturn     4.111e+11
Uranus     4.054e+11
Neptune    4.075e+11
Pluto      4.228e+11