Obs. : 2020-09-15
Planet	Ly alpha (photons/cm^2/sec)
Mercury    6.102e+08
Venus      6.403e+08
Earth      6.216e+08
Mars       6.265e+08
Jupiter    6.208e+08
Saturn     6.160e+08
Uranus     6.329e+08
Neptune    6.191e+08
Pluto      6.208e+08