flattener   /data/spectro/guider/gimg1237-flattener.fits
mask            /data/spectro/guider/gimg1237-mask.fits
maskdark   /data/spectro/guider/gimg1237-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} { 92.2013 148.014 203.82 275.596 91.4465 146.934 202.537 90.6918 146.059 202.68 353.763 0 0 0 0 0} { 69.6209 70.2864 70.6091 105.91 142.874 143.439 144.169 215.066 215.7 217.288 207.864 0 0 0 0 0} { 17 18 17 25 17 17 17 17 17 17 25 0 0 0 0 0} { 12.603 12.603 12.5397 20.6064 12.5651 12.6409 12.5904 12.5651 12.6911 12.4761 20.591 0 0 0 0 0} { 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0} { 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0} { 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0} { 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0} { 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0} 0 86208