Obs. : 2023-06-26
Planet	Ly alpha (photons/cm^2/sec)
Mercury    9.471e+08
Venus      9.371e+08
Earth      8.788e+08
Mars       9.408e+08
Jupiter    8.813e+08
Saturn     8.808e+08
Uranus     8.980e+08
Neptune    8.697e+08
Pluto      8.847e+08