2008_12_18 Thursday flat001.fits 1.0sec on flat002.fits 1.0sec off flat003.fits 1.0sec on flat004.fits 1.0sec on flat005.fits 1.0sec off flat006.fits 1.0sec on flat007.fits 2.0sec on flat008.fits 1.0sec on flat009.fits 1.0sec on flat010.fits 10.0sec on flat011.fits 10.0sec on flat012.fits 10.0sec on flat013.fits 10.0sec on flat014.fits 10.0sec off flat015.fits 10.0sec off flat016.fits 10.0sec off flat017.fits 10.0sec off beta1.fits 1.0sec beta2.fits 0.5sec beta3.fits 0.1sec beta4.fits 10.0sec beta5.fits 10.0sec cloudy? beta6.fits 15.0sec beta7.fits 10.0sec eta1.fits 1.0sec eta2.fits 10.0sec eta3.fits 10.0sec eta4.fits 10.0sec eta5.fits 15.0sec cloud.fits 10.0sec bias2_1.fits bias2_2.fits bias2_3.fits bias2_4.fits dark2_1.fits 10.0sec dark2_2.fits 10.0sec dark2_3.fits 10.0sec dark2_4.fits 10.0sec flat_minus.fits = flat001.fits - flat002.fits eta_foff.fits = eta2.fits - flat014.fits