Obs. : 2023-09-26
Planet	Ly alpha (photons/cm^2/sec)
Mercury    9.208e+08
Venus      9.186e+08
Earth      9.091e+08
Mars       9.270e+08
Jupiter    9.216e+08
Saturn     9.229e+08
Uranus     9.161e+08
Neptune    9.091e+08
Pluto      9.392e+08