Obs. : 2020-09-13
Planet	Ly alpha (photons/cm^2/sec)
Mercury    6.075e+08
Venus      6.308e+08
Earth      6.227e+08
Mars       6.250e+08
Jupiter    6.147e+08
Saturn     6.134e+08
Uranus     6.291e+08
Neptune    6.181e+08
Pluto      6.134e+08