Obs. : 2023-02-03
Planet	Ly alpha (photons/cm^2/sec)
Mercury    9.508e+08
Venus      8.916e+08
Earth      9.113e+08
Mars       8.539e+08
Jupiter    8.424e+08
Saturn     9.153e+08
Uranus     8.354e+08
Neptune    8.646e+08
Pluto      9.508e+08