Obs. : 2023-01-09
Planet	Ly alpha (photons/cm^2/sec)
Mercury    8.881e+08
Venus      8.877e+08
Earth      9.078e+08
Mars       9.664e+08
Jupiter    9.333e+08
Saturn     8.982e+08
Uranus     9.674e+08
Neptune    9.333e+08
Pluto      8.866e+08