flattener   /data/spectro/guider/gimg0820-flattener.fits
mask            /data/spectro/guider/gimg0820-mask.fits
maskdark   /data/spectro/guider/gimg0820-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 7 11 0 0 0 0 0} { 81.3424 137.853 193.351 268.09 80.4796 136.062 192.252 80.7637 136.499 191.23 343.665 0 0 0 0 0} { 74.6819 75.5264 75.7413 111.476 147.717 149.093 150.63 220.288 221.188 222.614 211.578 0 0 0 0 0} { 18 17 18 25 17 18 17 18 17 17 25 0 0 0 0 0} { 12.5904 12.666 12.6157 20.35 12.3865 12.6283 12.7037 12.6283 12.6911 12.6409 20.2245 0 0 0 0 0} { 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0} { 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0} { 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0} { 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0} { 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0} 0 86274