Obs. : 2020-11-09
Planet	Ly alpha (photons/cm^2/sec)
Mercury    6.781e+08
Venus      6.778e+08
Earth      6.871e+08
Mars       6.853e+08
Jupiter    6.875e+08
Saturn     6.875e+08
Uranus     6.884e+08
Neptune    6.841e+08
Pluto      6.875e+08