Obs. : 2024-04-05
Planet	Ly alpha (photons/cm^2/sec)
Mercury    8.934e+08
Venus      8.739e+08
Earth      8.429e+08
Mars       8.461e+08
Jupiter    8.768e+08
Saturn     8.461e+08
Uranus     8.768e+08
Neptune    8.739e+08
Pluto      7.940e+08