Obs. : 2020-10-15
Planet	Ly alpha (photons/cm^2/sec)
Mercury    6.241e+08
Venus      6.513e+08
Earth      6.417e+08
Mars       6.345e+08
Jupiter    6.368e+08
Saturn     6.386e+08
Uranus     6.417e+08
Neptune    6.338e+08
Pluto      6.368e+08