Obs. : 2023-08-24
Planet	Ly alpha (photons/cm^2/sec)
Mercury    9.130e+08
Venus      8.935e+08
Earth      8.939e+08
Mars       9.130e+08
Jupiter    9.067e+08
Saturn     8.950e+08
Uranus     9.075e+08
Neptune    8.939e+08
Pluto      8.852e+08