Obs. : 2024-02-09
Planet	Ly alpha (photons/cm^2/sec)
Mercury    8.564e+08
Venus      8.591e+08
Earth      9.281e+08
Mars       8.591e+08
Jupiter    8.877e+08
Saturn     8.738e+08
Uranus     8.877e+08
Neptune    8.764e+08
Pluto      8.591e+08