Obs. : 2023-09-29
Planet	Ly alpha (photons/cm^2/sec)
Mercury    9.091e+08
Venus      9.027e+08
Earth      9.197e+08
Mars       9.116e+08
Jupiter    9.172e+08
Saturn     9.404e+08
Uranus     9.143e+08
Neptune    9.197e+08
Pluto      9.595e+08