flattener   /data/spectro/guider/gimg0420-flattener.fits
mask            /data/spectro/guider/gimg0420-mask.fits
maskdark   /data/spectro/guider/gimg0420-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 11 7 0 0 0 0 0} { 86.22 142.083 197.726 269.525 85.2978 140.899 196.429 84.4567 139.846 347.549 196.527 0 0 0 0 0} { 76.929 77.6341 78.1477 113.533 150.141 150.766 151.696 222.379 223.013 215.561 224.736 0 0 0 0 0} { 17 17 17 25 17 17 17 17 18 25 17 0 0 0 0 0} { 12.603 12.603 12.527 20.6835 12.5651 12.6157 12.527 12.3865 12.5904 20.5987 12.3865 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 86376