Many different options are available for two dimensional imaging. In recent years the emphasis has been put on developing CCD systems and it is now possible to obtain CCD images at the following focal stations.
In addition the TAURUS imaging Fabry-Perot, and the LDSS multi-object
spectrograph, which are described in detail in chapter
can be used without their Etalon
and Grism respectively to obtain broad-band or narrow-band images of the
sky. These should only be used in exceptional circumstances, in the case
of TAURUS these circumstances include the use of narrow band (
30
Å bandpass) filters, where the passband is broadened and shifted
significantly by the fast converging beam of the prime focus options.
Section describes the various CCD imaging systems,
whilst Section discusses how to decide which option is
appropriate for a given application.
The facilities provided by the Ground-based High Resolution Imaging
Laboratory (GHRIL) on the WHT are described in section .