Obs. : 2026-06-13
Planet	Ly alpha (photons/cm^2/sec)
Mercury    7.708e+08
Venus      7.647e+08
Earth      7.727e+08
Mars       7.875e+08
Jupiter    7.647e+08
Saturn     8.168e+08
Uranus     7.828e+08
Neptune    8.197e+08
Pluto      7.823e+08