Obs. : 2023-12-16
Planet	Ly alpha (photons/cm^2/sec)
Mercury    8.819e+08
Venus      8.340e+08
Earth      9.271e+08
Mars       8.645e+08
Jupiter    9.619e+08
Saturn     9.552e+08
Uranus     9.403e+08
Neptune    9.720e+08
Pluto      9.116e+08