Obs. : 2019-12-27
Planet	Ly alpha (photons/cm^2/sec)
Mercury    5.964e+08
Venus      6.072e+08
Earth      5.991e+08
Mars       5.895e+08
Jupiter    6.026e+08
Saturn     6.054e+08
Uranus     5.953e+08
Neptune    6.034e+08
Pluto      6.054e+08