Obs. : 2023-01-14
Planet	Ly alpha (photons/cm^2/sec)
Mercury    9.116e+08
Venus      9.641e+08
Earth      9.762e+08
Mars       9.756e+08
Jupiter    1.005e+09
Saturn     9.641e+08
Uranus     9.887e+08
Neptune    9.956e+08
Pluto      9.381e+08