flattener   /data/spectro/guider/gimg0477-flattener.fits
mask            /data/spectro/guider/gimg0477-mask.fits
maskdark   /data/spectro/guider/gimg0477-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 2 5 8 11 1 4 7 0 0 0 0 0 0} { 145.138 201.17 273.977 89.5719 145.584 201.155 353.593 90.2112 145.338 202.144 0 0 0 0 0 0} { 72.0685 71.5309 104.905 146.236 145.077 145.93 205.781 218.986 217.921 218.597 0 0 0 0 0 0} { 17 17 26 17 17 18 25 18 17 17 0 0 0 0 0 0} { 12.527 12.5904 20.5678 12.6283 12.6157 12.6157 20.5678 12.6157 12.6157 12.666 0 0 0 0 0 0} { 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0} { 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0} { 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0} { 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0} { 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0} 0 87174