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The Sloan Deep Space Survey has mapped out most of the sky in FIT format as well.

The Hubble Space Telescope also transmits FIT data to be processed by NASA/ESA back on Earth. Many professional astronomers use CCD imaging devices which output FIT data. Each data set can be extracted and processed separately, then combined to form a standard image.īy using FIT images with digital imaging, you have separate data for each channel which increases signal to noise ratio, improves image quality and allows enhanced image post-processing flexibility.

Examples of common uses include 3D representations of brain scans, or Red Green Blue and Luminescence (RGBL) channels in astrophotography. FIT is more useful to scientists than JPG or BMP formats as it allows for data sets to be stored which consist of multi-dimensional arrays. Flexible Image Transport System (FITS) data is an agreed file format for the storage of scientific imaging and is fully endorsed by both NASA and the IAU.