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Celestial cartography

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Part of astronomy concerned with mapping of stars "Astrography" redirects here. For a telescope designed for astrophotography, see right.
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Title page of the Coelum Stellatum Christianum by Julius Schiller.
This print, published in Richard Blome's "The Gentleman's Recreation" (1686) shows the diverse ways in which cosmography can be applied

Celestial cartography, uranography, astrography or star cartography is the aspect of astronomy and branch of cartography concerned with mapping stars, galaxies, and other astronomical objects on the celestial sphere. Measuring the position and light of charted objects requires a variety of instruments and techniques. These techniques have developed from angle measurements with quadrants and the unaided eye, through sextants combined with lenses for light magnification, up to current methods which include computer-automated space telescopes. Uranographers have historically produced planetary position tables, star tables, and star maps for use by both amateur and professional astronomers. More recently, computerized star maps have been compiled, and automated positioning of telescopes uses databases of stars and of other astronomical objects.

Etymology

The word "uranography" derived from the Greek "ουρανογραφια" (Koine Greek ουρανος "sky, heaven" + γραφειν "to write") through the Latin "uranographia". In Renaissance times, Uranographia was used as the book title of various celestial atlases. During the 19th century, "uranography" was defined as the "description of the heavens". Elijah H. Burritt re-defined it as the "geography of the heavens". The German word for uranography is "Uranographie", the French is "uranographie" and the Italian is "uranografia".

Astrometry

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Main article: Astrometry

Astrometry, the science of spherical astronomy, is concerned with precise measurements of the location of celestial bodies in the celestial sphere and their kinematics relative to a reference frame on the celestial sphere. In principle, astrometry can involve such measurements of planets, stars, black holes and galaxies to any celestial body.

Throughout human history, astrometry played a significant role in shaping our understanding of the structure of the visible sky, which accompanies the location of bodies in it, hence making it a fundamental tool to celestial cartography.

Star catalogues

Main article: Star catalogue
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Aquarius according to
Hyginus 		Aquarius according to
Johann Bayer's Uranometria,
based on Rudolphine Tables 		Aquarius according to
KStars

A determining fact source for drawing star charts is naturally a star table. This is apparent when comparing the imaginative "star maps" of Poeticon Astronomicon – illustrations beside a narrative text from the antiquity – to the star maps of Johann Bayer, based on precise star-position measurements from the Rudolphine Tables by Tycho Brahe.

Important historical star tables

Star atlases

Naked-eye

Telescopic

Photographic

  • 1914 Franklin-Adams Charts, by John Franklin-Adams, a very early photographic atlas.
  • The Falkau Atlas (Hans Vehrenberg). Stars to magnitude 13.
  • Atlas Stellarum (Hans Vehrenberg). Stars to magnitude 14.
  • True Visual Magnitude Photographic Star Atlas (Christos Papadopoulos). Stars to magnitude 13.5.
  • The Cambridge Photographic Star Atlas, Axel Mellinger and Ronald Stoyan, 2011. Stars to magnitude 14, natural color, 1°/cm.

Modern

  • Bright Star Atlas – Wil Tirion (stars to magnitude 6.5)
  • Cambridge Star Atlas – Wil Tirion (Stars to magnitude 6.5)
  • Norton's Star Atlas and Reference Handbook – Ed. Ian Ridpath (stars to magnitude 6.5)
  • Stars & Planets Guide – Ian Ridpath and Wil Tirion (stars to magnitude 6.0)
  • Cambridge Double Star Atlas – James Mullaney and Wil Tirion (stars to magnitude 7.5)
  • Cambridge Atlas of Herschel Objects – James Mullaney and Wil Tirion (stars to magnitude 7.5)
  • Pocket Sky Atlas – Roger Sinnott (stars to magnitude 7.5)
  • Deep Sky Reiseatlas – Michael Feiler, Philip Noack (Telrad Finder Charts – stars to magnitude 7.5)
  • Atlas Coeli Skalnate Pleso (Atlas of the Heavens) 1950.0 – Antonín Bečvář (stars to magnitude 7.75 and about 12,000 clusters, galaxies and nebulae)
  • SkyAtlas 2000.0, second edition – Wil Tirion & Roger Sinnott (stars to magnitude 8.5)
  • 1987, Uranometria 2000.0 Deep Sky Atlas – Wil Tirion, Barry Rappaport, Will Remaklus (stars to magnitude 9.7; 11.5 in selected close-ups)
  • Herald-Bobroff AstroAtlas – David Herald & Peter Bobroff (stars to magnitude 9 in main charts, 14 in selected sections)
  • Millennium Star Atlas – Roger Sinnott, Michael Perryman (stars to magnitude 11)
  • Field Guide to the Stars and Planets – Jay M. Pasachoff, Wil Tirion charts (stars to magnitude 7.5)
  • SkyGX (still in preparation) – Christopher Watson (stars to magnitude 12)
  • The Great Atlas of the Sky – Piotr Brych (2,400,000 stars to magnitude 12, galaxies to magnitude 18).
  • Interstellarum Deep Sky Atlas (2014) – Ronald Stoyan and Stephan Schurig (stars to magnitude 9.5)

Computerized

Free and printable from files

See also

References

  1. Warner, D. J. (1979). The Sky Explored: Celestial Cartography 1500–1800. Amsterdam and New York: Theatrum Orbis Terrarum Ltd. and Alan R. Liss, Inc.
  2. Lovi, G.; W. Tirion; B. Rappaport (1987). "Uranography Yesterday and Today". Uranometria 2000.0. 1: The Northern Hemisphere to – 6 degree. Willmann-Bell, Richmond.
  3. Lovi, G.; Tirion, W. (1989). Men, Monsters and the Modern Universe. Richmond: Willmann-Bell.
  4. 1690: Hevelius J., Firmamentum Sobiescianum sive Uranographia.
  5. c. 1750: Bevis J., Uranographia Britannica.
  6. 1801: Bode. J. E., Uranographia sive Astrorum Descriptio.
  7. Burritt, E. H., The Geography of the Heavens, 1833.
  8. Endl, Michael; Cochran, William D. (2007-01-01), "CHAPTER 47 - Extrasolar Planets", in McFadden, Lucy-Ann; Weissman, Paul R.; Johnson, Torrence V. (eds.), Encyclopedia of the Solar System (Second Edition), San Diego: Academic Press, pp. 887–902, Bibcode:2007ess..book..887E, doi:10.1016/b978-012088589-3/50051-7, ISBN 978-0-12-088589-3, retrieved 2023-06-08
  9. ^ Vallenari, Antonella (2018). "The Future of Astrometry in Space". Frontiers in Astronomy and Space Sciences. 5: 11. Bibcode:2018FrASS...5...11V. doi:10.3389/fspas.2018.00011. ISSN 2296-987X.
  10. "Dürer's hemispheres of 1515 — the first European printed star charts". Ianridpath.com. Retrieved 2019-02-25.
  11. "Stars & Planets Guide"
  12. "The Great Atlas of the Sky" Archived 2012-01-23 at the Wayback Machine, GreatSkyAtlas.com, December 1, 2009.
  13. "Stellarmap.com". Stellarmap.com. Retrieved 2019-02-25.

External links

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