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  2. List of satellite pass predictors - Wikipedia

    en.wikipedia.org/wiki/List_of_satellite_pass...

    View satellite position on world map or a simple polar chart showing the path the satellite will take across your sky. [10] ISS Visibility, interface to Heavens-Above, predictions up to 30 days out, ground tracks, star chart with path shown. [11] SkySafari shows alerts for Iridium flares and ISS passes. ISS Detector – shows ISS position. Can ...

  3. Skalnate Pleso Atlas of the Heavens - Wikipedia

    en.wikipedia.org/wiki/Skalnate_Pleso_Atlas_of...

    The Skalnaté Pleso Atlas of the Heavens (Atlas Coeli Skalnaté Pleso 1950.0) is a set of 16 celestial charts covering the entire sky. It is named after the Skalnaté Pleso Observatory in Slovakia where it was produced. The first versions were published by the Czechoslovak Astronomical Society in 1948; later that year, Sky Publishing ...

  4. Heavens-Above - Wikipedia

    en.wikipedia.org/wiki/Heavens-Above

    A ground track from Heavens-Above. An observer in Sicily can see the International Space Station when it enters the circle at 9:26 pm. A bright object appears in the northwest, crosses the sky to a point almost overhead, and disappears, in the span of three minutes.

  5. Celestial sphere - Wikipedia

    en.wikipedia.org/wiki/Celestial_sphere

    Visualization of a celestial sphere. In astronomy and navigation, the celestial sphere is an abstract sphere that has an arbitrarily large radius and is concentric to Earth.All objects in the sky can be conceived as being projected upon the inner surface of the celestial sphere, which may be centered on Earth or the observer.

  6. Timeline of astronomical maps, catalogs, and surveys

    en.wikipedia.org/wiki/Timeline_of_astronomical...

    1997 — Two Micron All Sky Survey commences, first version of Hipparcos Catalogue published; 1998 — Sloan Digital Sky Survey commences; 2003 — 2dF Galaxy Redshift Survey published; 2MASS completes; 2012 — On March 14, 2012, a new atlas and catalog of the entire infrared sky as imaged by Wide-field Infrared Survey Explorer was released. [8]

  7. Star chart - Wikipedia

    en.wikipedia.org/wiki/Star_chart

    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)

  8. Astronomical coordinate systems - Wikipedia

    en.wikipedia.org/wiki/Astronomical_coordinate...

    The following table lists the common coordinate systems in use by the astronomical community. The fundamental plane divides the celestial sphere into two equal hemispheres and defines the baseline for the latitudinal coordinates, similar to the equator in the geographic coordinate system. The poles are located at ±90° from the fundamental plane.

  9. Antonín Bečvář - Wikipedia

    en.wikipedia.org/wiki/Antonín_Bečvář

    Bečvář is particularly important for his star charts: he led the compilation of the Atlas Coeli Skalnate Pleso (1951), published by Sky Publishing Corporation as the Skalnate Pleso Atlas of the Heavens, which was the state-of-the-art atlas of its kind until Wil Tirion's "Sky Atlas 2000.0" in 1981.