Obs. : 2012-12-22
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.166e+11
Venus      4.178e+11
Earth      4.194e+11
Mars       4.140e+11
Jupiter    4.172e+11
Saturn     4.172e+11
Uranus     4.095e+11
Neptune    4.114e+11
Pluto      4.156e+11