Obs. : 2023-03-15
Planet	Ly alpha (photons/cm^2/sec)
Mercury    9.320e+08
Venus      9.350e+08
Earth      8.723e+08
Mars       9.234e+08
Jupiter    9.333e+08
Saturn     9.321e+08
Uranus     9.343e+08
Neptune    9.320e+08
Pluto      9.195e+08