The SAI Virtual Observatory provides the WCS Fix service to automatically match stars in FITS images with cataloged data and add the correct WCS (World Coordinate System) keywords to the image's header. FITS (Flexible Image Transport System) is the standard data format used in astronomy. It is used for the transport, analysis, and archival storage of scientific data sets.
Users may access the WCS Fix service directly through the SAI Virtual Observatory website or programmatically using either SOAP or REST calls.
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