Obs. : 2022-05-17
Planet	Ly alpha (photons/cm^2/sec)
Mercury    7.977e+08
Venus      7.851e+08
Earth      8.704e+08
Mars       7.856e+08
Jupiter    7.842e+08
Saturn     8.044e+08
Uranus     7.837e+08
Neptune    7.856e+08
Pluto      8.164e+08