Obs. : 2024-09-21
Planet	Ly alpha (photons/cm^2/sec)
Mercury    9.440e+08
Venus      9.964e+08
Earth      9.128e+08
Mars       9.002e+08
Jupiter    8.916e+08
Saturn     9.128e+08
Uranus     9.091e+08
Neptune    9.128e+08
Pluto      9.636e+08