There should be some fiducial stars in the centre of the field, and some at the edge. Otherwise your setup will likely be rejected by the AF2 system computer. These estimates will be updated during the October 2001 run because a new setup of the fiducial bundles in the TV camera is in preparation. Don Pollaco's handy hints for fibre configuration As AF2 arranges fibres over a 1 degree field it is imperative your astrometry is of the highest accuracy obtainable. Astrometry of bright sources from photographic plates will have lower accuracy.
Brighter objects are also liable to display proper motion.
There should be some fiducial stars in the centre of the field, and some at the edge. If you need an example catalogue click here . Please note when using this software you should select a buffer size of 1.5 or your setup will likely be rejected by the AF2 system computer. Do not underestimate how long it will take to produce the configuration files . Start producing them as soon as possible.