flattener   /data/spectro/guider/gimg0664-flattener.fits
mask            /data/spectro/guider/gimg0664-mask.fits
maskdark   /data/spectro/guider/gimg0664-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 { 6 9 10 5 8 2 11 1 4 7 0 0 0 0 0 0} { 146.168 202.32 275.13 147.079 202.625 91.1308 355.406 92.1244 147.118 204.041 0 0 0 0 0 0} { 85.704 84.9723 117.633 158.637 159.111 160.144 217.965 232.823 231.773 231.829 0 0 0 0 0 0} { 17 17 25 17 17 18 24 17 17 17 0 0 0 0 0 0} { 12.527 12.5397 20.5678 12.6535 12.6535 12.5904 20.5446 12.5651 12.5397 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 87221