Obs. : 2022-04-16
Planet	Ly alpha (photons/cm^2/sec)
Mercury    7.751e+08
Venus      7.603e+08
Earth      7.598e+08
Mars       7.603e+08
Jupiter    7.645e+08
Saturn     7.459e+08
Uranus     7.751e+08
Neptune    7.645e+08
Pluto      7.374e+08