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Originally a graphic designer, Tirion became a full-time celestial cartographer after the success of his first star atlas, Sky Atlas 2000.0, published in 1981. [1] His second major work, Uranometria 2000.0 , contained over 280,000 stars and 10,000 deep-sky objects across two volumes and was published by Willmann-Bell in 1987.
In each issue of Astronomy magazine, readers will find star and planet charts, telescope observing tips and techniques, and advice on taking photography of the night sky. [3] The magazine also publishes reader-submitted photos in a gallery, lists astronomy-related events, letters from readers, news, and announcements of new products.
An online star chart; Monthly sky maps for every location on Earth Archived 2007-09-13 at the Wayback Machine; The Evening Sky Map – Free monthly star charts and calendar for northern hemisphere, southern hemisphere, and equatorial sky watchers. Sky Map Online – Free interactive star chart (showing over 1.2 million stars up to magnitude 12)
Amateur astronomers also use star charts that, depending on experience and intentions, may range from simple planispheres through to star atlases with detailed charts of the entire night sky. A range of astronomy software is also available and used by amateur astronomers, including software that generates maps of the sky, software to assist ...
The Henry Draper Catalogue (HD) is an astronomical star catalogue published between 1918 and 1924, giving spectroscopic classifications for 225,300 stars; it was later expanded by the Henry Draper Extension (HDE), published between 1925 and 1936, which gave classifications for 46,850 more stars, and by the Henry Draper Extension Charts (HDEC), published from 1937 to 1949 in the form of charts ...
The magazine, in comparison with the TV series, includes more technical and scientific information. Until 2015, it also included a bonus CD-ROM with software programs, the latest astronomical photographs , written materials and 'classic' episodes of The Sky at Night from the BBC archives (from 2015, the monthly content was moved online ).
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Celestial cartography, [1] uranography, [2] [3] astrography or star cartography [citation needed] 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.
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