Obs. : 2022-12-16
Planet	Ly alpha (photons/cm^2/sec)
Mercury    8.226e+08
Venus      8.291e+08
Earth      8.396e+08
Mars       8.396e+08
Jupiter    8.283e+08
Saturn     8.193e+08
Uranus     8.303e+08
Neptune    8.282e+08
Pluto      8.148e+08