Obs. : 2024-01-26
Planet	Ly alpha (photons/cm^2/sec)
Mercury    8.844e+08
Venus      8.757e+08
Earth      8.350e+08
Mars       8.844e+08
Jupiter    9.104e+08
Saturn     9.172e+08
Uranus     9.104e+08
Neptune    9.320e+08
Pluto      8.904e+08