Obs. : 2024-02-16
Planet	Ly alpha (photons/cm^2/sec)
Mercury    8.822e+08
Venus      8.821e+08
Earth      8.932e+08
Mars       8.821e+08
Jupiter    8.969e+08
Saturn     8.766e+08
Uranus     9.045e+08
Neptune    8.805e+08
Pluto      8.821e+08