Obs. : 2023-09-08
Planet	Ly alpha (photons/cm^2/sec)
Mercury    8.851e+08
Venus      8.897e+08
Earth      9.212e+08
Mars       8.939e+08
Jupiter    9.362e+08
Saturn     9.146e+08
Uranus     9.344e+08
Neptune    9.212e+08
Pluto      9.060e+08