Obs. : 2024-09-20
Planet	Ly alpha (photons/cm^2/sec)
Mercury    9.701e+08
Venus      1.015e+09
Earth      9.074e+08
Mars       9.166e+08
Jupiter    9.047e+08
Saturn     9.074e+08
Uranus     9.182e+08
Neptune    9.074e+08
Pluto      9.540e+08