flattener   /data/spectro/guider/gimg0074-flattener.fits
mask            /data/spectro/guider/gimg0074-mask.fits
maskdark   /data/spectro/guider/gimg0074-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 1 4 0 0 0 0 0 0} { 88.8317 145.473 200.769 275.628 88.1703 143.593 199.804 351.292 88.5688 144.224 0 0 0 0 0 0} { 69.0928 69.9655 69.9843 105.723 142.157 143.595 144.956 205.646 214.789 215.611 0 0 0 0 0 0} { 18 17 18 25 18 17 18 25 17 17 0 0 0 0 0 0} { 12.603 12.6911 12.603 20.2873 12.5016 12.666 12.6535 20.2323 12.7037 12.7537 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 87235