Obs. : 2022-10-24
Planet	Ly alpha (photons/cm^2/sec)
Mercury    8.055e+08
Venus      8.470e+08
Earth      7.723e+08
Mars       7.448e+08
Jupiter    7.855e+08
Saturn     8.104e+08
Uranus     7.489e+08
Neptune    7.855e+08
Pluto      8.313e+08