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  2. Prutenic Tables - Wikipedia

    en.wikipedia.org/wiki/Prutenic_Tables

    Christopher Clavius used Reinhold's Prutenic Tables and Copernicus' work as a basis for the calendar reform instituted under Pope Gregory XIII. Decades later, in Prague, Johannes Kepler compiled the Rudolphine Tables, based on Tycho Brahe's lifetime of astronomical observations, which were the most extensive and accurate observations until his ...

  3. Toledan Tables - Wikipedia

    en.wikipedia.org/wiki/Toledan_Tables

    The Toledan Tables, or Tables of Toledo, were astronomical tables which were used to predict the movements of the Sun, Moon and planets relative to the fixed stars. They were a collection of mathematic tables that describe different aspects of the cosmos including prediction of calendar dates, times of cosmic events, and cosmic motion. [2]

  4. Zij - Wikipedia

    en.wikipedia.org/wiki/Zij

    A zij (Persian: زيج, romanized: zīj) is an Islamic astronomical book that tabulates parameters used for astronomical calculations of the positions of the sun, moon, stars, and planets. Sanjufini Zij by Samarkandi astronomer Khwaja Ghazi al-Sanjufini. Compiled in 1363.

  5. Calendrical Calculations - Wikipedia

    en.wikipedia.org/wiki/Calendrical_Calculations

    Calendrical Calculations is a book on calendar systems and algorithms for computers to convert between them. It was written by computer scientists Nachum Dershowitz and Edward Reingold and published in 1997 by the Cambridge University Press .

  6. Zij as-Sindhind - Wikipedia

    en.wikipedia.org/wiki/Zij_as-Sindhind

    Zīj as-Sindhind (Arabic: زيج السندهند الكبير, Zīj as‐Sindhind al‐kabīr, lit."Great astronomical tables of the Sindhind"; from Sanskrit siddhānta, "system" or "treatise") is a work of zij (astronomical handbook with tables used to calculate celestial positions) brought in the early 770s AD to the court of Caliph al-Mansur in Baghdad from India.

  7. Practical Astronomy with Your Calculator - Wikipedia

    en.wikipedia.org/wiki/Practical_Astronomy_with...

    The Cambridge Guide to Astronomical Discovery states that Practical Astronomy with your Calculator is a "must"-have book if one has no personal computer for astronomical calculations. [4] New Scientist magazine gave a favourable review of the book, although stating that there were small errors in some calculations. [ 5 ]

  8. CalSky - Wikipedia

    en.wikipedia.org/wiki/CalSky

    CalSky (sky calendar) was a web-based astronomical calculator used by astronomers to plan observing. It was created by Arnold Barmettler, a researcher at the University of Zurich and formerly a scientific assistant at the European Space Agency. [1]

  9. Jet Propulsion Laboratory Development Ephemeris - Wikipedia

    en.wikipedia.org/wiki/Jet_Propulsion_Laboratory...

    The Astronomical Almanac for 1984 through 2002 were based on JPL ephemeris DE200, and from 2003 to 2014 the Astronomical Almanac was based on JPL ephemeris DE405. [9] As of 2022, the Almanac is derived from DE430. [15] The JPL ephemerides are widely used for planetary science; some examples are included in the Notes and References.