Obs. : 2024-09-09
Planet	Ly alpha (photons/cm^2/sec)
Mercury    9.200e+08
Venus      9.500e+08
Earth      9.827e+08
Mars       9.082e+08
Jupiter    9.082e+08
Saturn     9.827e+08
Uranus     8.986e+08
Neptune    9.303e+08
Pluto      1.033e+09