Obs. : 2023-06-16
Planet	Ly alpha (photons/cm^2/sec)
Mercury    9.213e+08
Venus      8.977e+08
Earth      8.962e+08
Mars       8.977e+08
Jupiter    9.427e+08
Saturn     8.914e+08
Uranus     9.361e+08
Neptune    9.198e+08
Pluto      8.883e+08