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FITS file format

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About FITS · from Wikipedia

Flexible Image Transport System (FITS) is an open standard defining a digital file format used for storage, transmission and processing of data: formatted as multi-dimensional arrays, or tables. FITS is the most commonly used digital file format in astronomy. The FITS standard was designed specifically for astronomical data, and includes provisions such as describing photometric and spatial calibration information, together with image origin metadata.

Summary from Wikipedia ↗, CC BY-SA 4.0.
  • Sky viewer Key work
    The viewer is built for FITS, the standard file format of astronomical data: it takes a FITS file, reads its raster images and binary tables, and shows the image with a filter and scale, the observation's metadata (object, instrument, filter and exposure) and statistics about the data.
  • Figure archive Key work
    Most records are figures; tables, files, the 3D model and a FITS file make up the rest.
Figure archiveSky viewer