Obs. : 2022-05-21
Planet	Ly alpha (photons/cm^2/sec)
Mercury    8.283e+08
Venus      8.564e+08
Earth      9.043e+08
Mars       8.821e+08
Jupiter    8.695e+08
Saturn     9.050e+08
Uranus     8.386e+08
Neptune    8.821e+08
Pluto      9.074e+08