Obs. : 2024-02-26
Planet	Ly alpha (photons/cm^2/sec)
Mercury    8.913e+08
Venus      8.818e+08
Earth      8.392e+08
Mars       8.818e+08
Jupiter    8.172e+08
Saturn     8.892e+08
Uranus     8.172e+08
Neptune    8.715e+08
Pluto      8.757e+08