Obs. : 2024-01-23
Planet	Ly alpha (photons/cm^2/sec)
Mercury    9.074e+08
Venus      9.071e+08
Earth      8.876e+08
Mars       9.074e+08
Jupiter    9.925e+08
Saturn     9.415e+08
Uranus     1.000e+09
Neptune    9.529e+08
Pluto      9.075e+08