Obs. : 2020-09-11
Planet	Ly alpha (photons/cm^2/sec)
Mercury    6.139e+08
Venus      6.311e+08
Earth      6.239e+08
Mars       6.266e+08
Jupiter    6.220e+08
Saturn     6.191e+08
Uranus     6.300e+08
Neptune    6.168e+08
Pluto      6.191e+08