Obs. : 2020-06-22
Planet	Ly alpha (photons/cm^2/sec)
Mercury    6.191e+08
Venus      6.135e+08
Earth      6.251e+08
Mars       5.946e+08
Jupiter    6.102e+08
Saturn     6.102e+08
Uranus     6.081e+08
Neptune    5.946e+08
Pluto      6.102e+08