Obs. : 2024-05-21
Planet	Ly alpha (photons/cm^2/sec)
Mercury    9.977e+08
Venus      9.823e+08
Earth      9.664e+08
Mars       1.042e+09
Jupiter    9.823e+08
Saturn     1.068e+09
Uranus     9.823e+08
Neptune    1.068e+09
Pluto      1.082e+09