Obs. : 2023-08-26
Planet	Ly alpha (photons/cm^2/sec)
Mercury    9.161e+08
Venus      8.985e+08
Earth      8.827e+08
Mars       9.161e+08
Jupiter    8.901e+08
Saturn     8.840e+08
Uranus     8.936e+08
Neptune    8.827e+08
Pluto      8.870e+08