flattener   /data/spectro/guider/gimg0409-flattener.fits
mask            /data/spectro/guider/gimg0409-mask.fits
maskdark   /data/spectro/guider/gimg0409-maskdark.fits

typedef struct {
int g_nfibers;
int g_fid[16];
float g_xcen[16];
float g_ycen[16];
float g_fibrad[16];
float g_illrad[16];
float g_xoff[16];
float g_yoff[16];
float g_mag[16];
float g_fwhm[16];
float g_poserr[16];
float g_readnoise;
int g_npixmask;
} FIBERDATA;

FIBERDATA 0 { 3 6 9 10 2 5 8 11 4 7 0 0 0 0 0 0} { 97.4482 153.182 208.836 280.642 96.8586 152.412 207.886 359.042 151.738 208.319 0 0 0 0 0 0} { 80.4062 80.8883 80.9732 115.922 153.559 153.877 154.376 217.374 226.015 227.447 0 0 0 0 0 0} { 17 18 18 25 17 18 18 24 17 17 0 0 0 0 0 0} { 12.603 12.6283 12.5651 20.5987 12.5904 12.6911 12.5904 20.5987 12.7162 12.5143 0 0 0 0 0 0} { 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0} { 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0} { 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0} { 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0} { 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0} 0 87221