Obs. : 2020-09-18
Planet	Ly alpha (photons/cm^2/sec)
Mercury    6.119e+08
Venus      6.466e+08
Earth      6.290e+08
Mars       6.342e+08
Jupiter    6.199e+08
Saturn     6.199e+08
Uranus     6.342e+08
Neptune    6.199e+08
Pluto      6.199e+08