"Format" is the detector sub-array that is read out during a Clio observation. This page has diagrams to illustrate the exact pixels that fall in the different detector formats: Strip, Stamp, and Substamp, relative to Full Frame.

Full Frame
Strip Mode

Stamp Mode

Sub-stamp Mode

Half-way Across

Dimensions

Coordinates in IDL

Coordinates in IRAF

Created 2014/05/09, Katie Morzinski.