Obs. : 2023-12-21
Planet	Ly alpha (photons/cm^2/sec)
Mercury    9.154e+08
Venus      9.239e+08
Earth      9.997e+08
Mars       9.244e+08
Jupiter    9.550e+08
Saturn     8.547e+08
Uranus     9.766e+08
Neptune    8.737e+08
Pluto      9.044e+08