Obs. : 2022-11-23
Planet	Ly alpha (photons/cm^2/sec)
Mercury    8.508e+08
Venus      8.508e+08
Earth      7.787e+08
Mars       7.754e+08
Jupiter    7.911e+08
Saturn     8.120e+08
Uranus     7.787e+08
Neptune    7.911e+08
Pluto      8.416e+08