Heliograph (disambiguation)

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Heliograph may refer to:

  • Heliograph, a device used for optical signalling
  • Sunshine recorder, also known as a heliograph, a device that records the amount of sunlight at a given location
  • Solar telescope, also known as a heliograph or photoheliograph, a telescope especially adapted for viewing the surface of the Sun
  • Heliography, the photographic process used to make the earliest known permanent photograph from nature
  • Heliographic coordinate system, a type of coordinate system used to identify locations on the Sun's surface