Obs. : 2022-04-08
Planet	Ly alpha (photons/cm^2/sec)
Mercury    8.043e+08
Venus      8.267e+08
Earth      7.735e+08
Mars       8.267e+08
Jupiter    8.328e+08
Saturn     8.267e+08
Uranus     7.780e+08
Neptune    8.328e+08
Pluto      7.988e+08