Obs. : 2016-06-18
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.106e+11
Venus      4.095e+11
Earth      4.178e+11
Mars       4.147e+11
Jupiter    4.058e+11
Saturn     4.170e+11
Uranus     4.118e+11
Neptune    4.151e+11
Pluto      4.216e+11