flattener   /data/spectro/guider/gimg1237-flattener.fits
mask            /data/spectro/guider/gimg1237-mask.fits
maskdark   /data/spectro/guider/gimg1237-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} { 86.9552 143.237 199.309 270.344 86.2211 141.581 197.789 85.3397 141.367 348.063 197.484 0 0 0 0 0} { 76.7451 76.7461 77.4737 111.648 149.693 149.952 151.336 222.425 222.447 213.88 223.723 0 0 0 0 0} { 17 18 17 25 17 17 17 17 17 26 17 0 0 0 0 0} { 12.5524 12.5778 12.5778 20.4825 12.5524 12.5904 12.4889 12.5651 12.425 20.5213 12.4761 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 86297