# title = "KPNO Mayall 4-m Telescope (f/15)"
# area = 10.34 m^2
# scale = 3.67 arcsec/mm (at f/15)

  4000. 0.830
  4200. 0.830
  4400. 0.829
  4600. 0.828
  4800. 0.826
  5000. 0.825
  5200. 0.823
  5400. 0.821
  5600. 0.817
  5800. 0.813
  6000. 0.808
  6200. 0.802
  6400. 0.796
  6600. 0.789
  6800. 0.781
  7000. 0.773
 60000. 0.773
