Obs. : 2023-10-30
Planet	Ly alpha (photons/cm^2/sec)
Mercury    8.459e+08
Venus      7.919e+08
Earth      9.067e+08
Mars       8.459e+08
Jupiter    9.041e+08
Saturn     9.064e+08
Uranus     9.041e+08
Neptune    9.076e+08
Pluto      8.922e+08