flattener   /data/spectro/guider/gimg0550-flattener.fits
mask            /data/spectro/guider/gimg0550-mask.fits
maskdark   /data/spectro/guider/gimg0550-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 1 4 7 11 0 0 0 0 0} { 100.36 156.757 212.055 283.525 98.2452 153.701 208.918 96.7844 152.059 208.658 359.689 0 0 0 0 0} { 83.5618 83.6857 85.873 120.104 156.931 157.63 158.847 229.358 230.027 231.659 224.107 0 0 0 0 0} { 17 17 17 25 17 17 17 17 18 17 23 0 0 0 0 0} { 12.5016 12.3993 12.5524 20.645 12.5651 12.6535 12.5651 12.4378 12.603 12.4889 20.5601 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 86495