Obs. : 2023-04-26
Planet	Ly alpha (photons/cm^2/sec)
Mercury    9.197e+08
Venus      9.075e+08
Earth      8.750e+08
Mars       8.953e+08
Jupiter    9.212e+08
Saturn     8.847e+08
Uranus     9.197e+08
Neptune    9.187e+08
Pluto      8.660e+08