Obs. : 2015-11-18
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.349e+11
Venus      4.526e+11
Earth      4.711e+11
Mars       4.526e+11
Jupiter    4.528e+11
Saturn     4.349e+11
Uranus     4.806e+11
Neptune    4.706e+11
Pluto      4.453e+11