Obs. : 2024-09-22
Planet	Ly alpha (photons/cm^2/sec)
Mercury    8.966e+08
Venus      9.652e+08
Earth      9.204e+08
Mars       8.696e+08
Jupiter    8.660e+08
Saturn     9.426e+08
Uranus     8.891e+08
Neptune    9.204e+08
Pluto      9.558e+08