Obs. : 2024-02-01
Planet	Ly alpha (photons/cm^2/sec)
Mercury    9.469e+08
Venus      9.370e+08
Earth      8.739e+08
Mars       9.469e+08
Jupiter    8.427e+08
Saturn     9.250e+08
Uranus     8.357e+08
Neptune    8.970e+08
Pluto      9.480e+08