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Whats the deal with images in FITS and imh/pixel formats?

April 26, 2017deal formats images imh pixel

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Whats the deal with images in FITS and imh/pixel formats?

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A. The native image file format for IRAF is the imh/pixel format. However, all of the tasks will also run on FITS files. When you run a task, be sure to have only one version of each image in the working directory (i.e. either FITS or imh/pixel) and do not provide the image file extension to the task. To convert between these formats, use the rfits and wfits tasks. Converting images from imh/pixel to FITS makes them more portable allowing you to put them on tape with TAR and/or FTP them to your home institution.