# Airmass Extinction files
#   Generally grabbed from the Internet.  Buyer beware
    File             Lon         Lat      Elevation  
ctioextinct.dat     70.8150    -30.1653   2215.0
kpnoextinct.dat    111.600     31.9633    2120.0
lapalmaextinct.dat  17.8947    28.7636    2396.0
mkoextinct.dat     155.47833   19.82833   4160.0
mthamextinct.dat   121.6428    37.34139   1290.0
paranalextinct.dat 70.4048305 -24.627167  2635.43
palomarextinct.dat 116.86489   33.35631   1713.
lasillaextinct.dat 70.73   -29.2567    2400.