flattener   /data/spectro/guider/gimg0981-flattener.fits
mask            /data/spectro/guider/gimg0981-mask.fits
maskdark   /data/spectro/guider/gimg0981-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 2 5 8 11 1 4 7 0 0 0 0 0 0} { 93.6463 149.624 206.115 93.2002 149.815 204.97 355.388 92.9581 148.261 205.415 0 0 0 0 0 0} { 69.8583 70.4506 70.5576 143.494 143.071 143.908 207.066 215.521 216.225 216.316 0 0 0 0 0 0} { 17 17 17 17 18 18 25 17 18 17 0 0 0 0 0 0} { 12.5524 12.5397 12.5651 12.4889 12.6786 12.5651 20.5755 12.6535 12.603 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 88231