Obs. : 2022-05-31
Planet	Ly alpha (photons/cm^2/sec)
Mercury    8.113e+08
Venus      8.284e+08
Earth      7.275e+08
Mars       8.069e+08
Jupiter    8.069e+08
Saturn     7.441e+08
Uranus     8.265e+08
Neptune    7.760e+08
Pluto      7.319e+08