Obs. : 2023-03-24
Planet	Ly alpha (photons/cm^2/sec)
Mercury    9.120e+08
Venus      8.898e+08
Earth      9.113e+08
Mars       8.713e+08
Jupiter    9.120e+08
Saturn     9.280e+08
Uranus     8.898e+08
Neptune    9.349e+08
Pluto      9.331e+08