heliographic

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heliographic
heliographic, a. (hiːlɪəʊˈgræfɪk) [f. helio- + -graphic. Cf. F. héliographique.] 1. Pertaining to the description of the sun. heliographic latitude or heliographic longitude: the latitude or longitude of points on the sun's surface, referred to the sun's equator and to a meridian passing through the... Oxford English Dictionary
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Heliographic copier
A heliographic copier or heliographic duplicator is an apparatus used in the world of reprography for making contact prints on paper from original drawings In general terms some type of heliographic copier is used for making: Hectographic prints, Ferrogallic prints, Gel-lithographs or Silver halide prints. wikipedia.org
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Heliography
By 1822 had made the first light-resistant heliographic copy of an engraving, made without a lens by placing the print in contact with the light-sensitive Although named “héliographie” by Niépce, in the later 19th century “heliography” was used generally for all “sun-printing;” with “heliographic processes wikipedia.org
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photoheliograph
photoheliograph (fəʊtəʊˈhiːlɪəʊgrɑːf, -æ-) [f. photo- + Gr. ἥλιο-ς sun + -graph: cf. heliograph.] A photographic telescope adapted for taking photographs of the sun: = heliograph 2.1861 W. Fairbairn Address Brit. Assoc., The careful registering of the appearances of the sun by the photo⁓heliograph o... Oxford English Dictionary
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Lightbox
The card-reader near the door in a hotel room, used as the main electric switch See also Light table Blueprint Heliographic copier Thermal copier wikipedia.org
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papyrography
papyrography (pæpɪˈrɒgrəfɪ) [f. as prec. + -graphy.] A term applied to a process of writing or drawing on paper and transferring the design to a zinc plate whence it is printed. The name had already been given in French (papyrographie) to various transfer processes introduced in 1819, 1822, and 1840... Oxford English Dictionary
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Ferdinando Ongania
In particular, his heliographic prints were remarkable for their clarity. wikipedia.org
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Prime meridian
The first is the Carrington heliographic coordinate system. The second is the Stonyhurst heliographic coordinates system, originated at Stonyhurst Observatory. wikipedia.org
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Dikwillem
During the time of German colonial empire a heliographic station was operated by the German Schutztruppe on top of Dikwillem. wikipedia.org
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Jean Pierre Philippe Lampué
Paul Getty Museum Rikjsmuseum Ámsterdam Snite Museum of Art Apart from this, the National Archives of France received, in 1879, 21 heliographic planches wikipedia.org
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Active region
It contains plage with a white-light brightness of at least 2.5 (on a linear scale 1-5, 5=flare) and has an extent of at least five heliographic degrees wikipedia.org
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Stonyhurst Observatory
Stonyhurst heliographic coordinates The 'Stonyhurst System of heliographic coordinates' is one of two 'heliographic coordinate' systems used for identifying This is in contrast to the Carrington heliographic coordinate system, where the longitude remains approximately fixed in time. wikipedia.org
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Humphrey's Journal of Photography
Journal of the Daguerreotype and Photographic Arts and the Sciences and Arts Pertaining to Heliography, it became Humphrey's Journal of Photography and the Heliographic wikipedia.org
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Solar rotation
In Stonyhurst heliographic coordinates, the left side of the Sun's face is called East, and the right side of the Sun's face is called West. The heliographic longitude of a solar feature conventionally refers to its angular distance relative to the central meridian crossed by the Sun-Earth radial wikipedia.org
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Helmet streamer
During solar minimum, helmet streamers are found closer to the heliographic equator, whereas during solar maximum they are found more symmetrically distributed Solar cycle Around solar minimum, the point of minimum solar activity during the 11-year solar cycle, helmet streamers are generally located around the heliographic wikipedia.org
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