Obs. : 2022-07-29
Planet	Ly alpha (photons/cm^2/sec)
Mercury    8.018e+08
Venus      8.146e+08
Earth      6.973e+08
Mars       8.102e+08
Jupiter    7.757e+08
Saturn     6.973e+08
Uranus     8.102e+08
Neptune    7.443e+08
Pluto      6.767e+08