Image Validation

 
This service checks that the syntax of a FITS file conforms to the FITS standard, and that the World Coordinate System (WCS) keywords are complete and have the correct datatype. It overlays 2MASS sources on the image as a simple astrometric check (best for visible and near-infrared data). Users may rebuild and revalidate defective FITS files.

 
Input single-part FITS image file: