flattener   /data/spectro/guider/gimg0164-flattener.fits
mask            /data/spectro/guider/gimg0164-mask.fits
maskdark   /data/spectro/guider/gimg0164-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 4 7 0 0 0 0 0 0} { 97.3935 153.092 208.792 280.609 96.8075 152.362 207.82 359.019 151.732 208.258 0 0 0 0 0 0} { 80.7742 81.2476 81.3268 116.286 153.952 154.231 154.762 217.765 226.349 227.799 0 0 0 0 0 0} { 17 18 18 25 17 18 18 24 17 17 0 0 0 0 0 0} { 12.6283 12.6157 12.5904 20.6142 12.6157 12.6786 12.6157 20.6219 12.7162 12.527 0 0 0 0 0 0} { 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0} { 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0} { 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0} { 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0} { 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0} 0 87204