flattener   /data/spectro/guider/gimg1261-flattener.fits
mask            /data/spectro/guider/gimg1261-mask.fits
maskdark   /data/spectro/guider/gimg1261-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} { 97.3104 153.577 209.604 280.783 97.015 152.422 208.522 358.841 96.5512 152.461 0 0 0 0 0 0} { 81.7459 81.4631 81.7777 115.574 154.637 154.566 155.546 217.329 227.295 227.08 0 0 0 0 0 0} { 18 17 17 25 17 17 17 24 17 17 0 0 0 0 0 0} { 12.5524 12.527 12.6157 20.591 12.5524 12.6157 12.5016 20.5678 12.6786 12.5904 0 0 0 0 0 0} { 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0} { 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0} { 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0} { 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0} { 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0} 0 87246