Obs. : 2022-05-19
Planet	Ly alpha (photons/cm^2/sec)
Mercury    8.255e+08
Venus      8.341e+08
Earth      9.134e+08
Mars       8.463e+08
Jupiter    8.408e+08
Saturn     8.735e+08
Uranus     8.255e+08
Neptune    8.463e+08
Pluto      8.969e+08