Obs. : 2016-06-20
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.101e+11
Venus      4.081e+11
Earth      4.079e+11
Mars       4.049e+11
Jupiter    4.033e+11
Saturn     4.079e+11
Uranus     4.123e+11
Neptune    4.105e+11
Pluto      4.116e+11