Obs. : 2020-06-26
Planet	Ly alpha (photons/cm^2/sec)
Mercury    6.192e+08
Venus      6.239e+08
Earth      6.297e+08
Mars       6.075e+08
Jupiter    6.230e+08
Saturn     6.230e+08
Uranus     6.136e+08
Neptune    6.091e+08
Pluto      6.230e+08