Obs. : 2023-02-02
Planet	Ly alpha (photons/cm^2/sec)
Mercury    9.497e+08
Venus      8.992e+08
Earth      8.956e+08
Mars       8.373e+08
Jupiter    8.510e+08
Saturn     9.305e+08
Uranus     8.264e+08
Neptune    8.738e+08
Pluto      9.497e+08