Obs. : 2022-02-21
Planet	Ly alpha (photons/cm^2/sec)
Mercury    7.751e+08
Venus      7.743e+08
Earth      7.433e+08
Mars       7.743e+08
Jupiter    7.629e+08
Saturn     7.751e+08
Uranus     7.213e+08
Neptune    7.477e+08
Pluto      7.743e+08