Obs. : 2019-11-22
Planet	Ly alpha (photons/cm^2/sec)
Mercury    6.220e+08
Venus      6.311e+08
Earth      6.234e+08
Mars       6.220e+08
Jupiter    6.311e+08
Saturn     6.343e+08
Uranus     6.234e+08
Neptune    6.273e+08
Pluto      6.343e+08