flattener   /data/spectro/guider/gimg0004-flattener.fits
mask            /data/spectro/guider/gimg0004-mask.fits
maskdark   /data/spectro/guider/gimg0004-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} { 95.0652 151.391 206.681 278.087 92.8862 148.193 203.434 91.186 146.574 203.055 353.973 0 0 0 0 0} { 67.4147 67.6317 69.8984 104.383 140.949 141.653 143.03 213.164 213.992 215.693 208.611 0 0 0 0 0} { 17 17 17 26 18 17 17 17 17 17 25 0 0 0 0 0} { 12.5651 12.4122 12.527 20.5987 12.5524 12.666 12.5397 12.4761 12.5651 12.5904 20.5755 0 0 0 0 0} { 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0} { 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0} { 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0} { 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0} { 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0} 0 86314