FITS WCS Keywords Recognized by Mira Version 7

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The FITS format supports World Coordinate System ("WCS") calibrations that relate column, row positions to standard coordinate systems or physical dimensions. The FITS WCS is supported by all Mira version 7 platforms. The FITS WCS standard evolved from a number of different calibration schemes developed at various research facilities and institutions around the world. These schemes use different keywords and interpretations to describe the image calibration. As a result, there are a large number of keywords that must be supported in order to support all "WCS enabled" images created during the last ~30 years. Mira supports all of the protocols described by the WCS Extension to the FITS Standard.