Obs. : 2023-02-05
Planet	Ly alpha (photons/cm^2/sec)
Mercury    9.196e+08
Venus      8.461e+08
Earth      9.189e+08
Mars       8.843e+08
Jupiter    8.331e+08
Saturn     8.763e+08
Uranus     8.555e+08
Neptune    8.352e+08
Pluto      9.196e+08