# title = "KPNO 2.1-m Telescope"
# area =  2.869 m^2
# scale =  12.7 arcsec/mm 

  4000. 0.797
  4200. 0.800
  4400. 0.803
  4600. 0.804
  4800. 0.805
  5000. 0.804
  5200. 0.802
  5400. 0.803
  5600. 0.799
  5800. 0.796
  6000. 0.792
  6200. 0.787
  6400. 0.781
  6600. 0.775
  6800. 0.768
  7000. 0.760
600000. 0.760
