Obs. : 2023-04-22
Planet	Ly alpha (photons/cm^2/sec)
Mercury    9.135e+08
Venus      9.102e+08
Earth      8.849e+08
Mars       8.979e+08
Jupiter    9.299e+08
Saturn     9.412e+08
Uranus     9.102e+08
Neptune    9.390e+08
Pluto      8.925e+08