flattener   /data/spectro/guider/gimg0777-flattener.fits
mask            /data/spectro/guider/gimg0777-mask.fits
maskdark   /data/spectro/guider/gimg0777-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 11 1 4 7 0 0 0 0 0} { 97.8994 154.113 210.202 281.419 97.62 153.014 209.126 359.477 97.1264 153.128 209.138 0 0 0 0 0} { 82.4989 82.2239 82.5292 116.38 155.375 155.316 156.256 218.057 228.054 227.776 228.685 0 0 0 0 0} { 17 18 17 25 17 17 17 24 18 17 17 0 0 0 0 0} { 12.5016 12.5397 12.5524 20.5213 12.425 12.5651 12.527 20.5291 12.5778 12.5397 12.5778 0 0 0 0 0} { 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0} { 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0} { 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0} { 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0} { 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0} 0 86420