Obs. : 2011-06-20
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.113e+11
Venus      4.158e+11
Earth      4.243e+11
Mars       4.158e+11
Jupiter    4.133e+11
Saturn     4.214e+11
Uranus     4.057e+11
Neptune    4.064e+11
Pluto      4.271e+11