Obs. : 2024-05-12
Planet	Ly alpha (photons/cm^2/sec)
Mercury    9.140e+08
Venus      9.122e+08
Earth      1.035e+09
Mars       9.228e+08
Jupiter    9.181e+08
Saturn     9.365e+08
Uranus     9.122e+08
Neptune    9.346e+08
Pluto      9.363e+08