Obs. : 2023-02-23
Planet	Ly alpha (photons/cm^2/sec)
Mercury    9.153e+08
Venus      9.010e+08
Earth      8.619e+08
Mars       8.329e+08
Jupiter    8.909e+08
Saturn     9.221e+08
Uranus     8.568e+08
Neptune    9.010e+08
Pluto      9.126e+08