Obs. : 2023-01-28
Planet	Ly alpha (photons/cm^2/sec)
Mercury    9.135e+08
Venus      9.303e+08
Earth      8.574e+08
Mars       8.287e+08
Jupiter    9.095e+08
Saturn     9.303e+08
Uranus     8.562e+08
Neptune    9.231e+08
Pluto      9.336e+08