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  2. Star chart - Wikipedia

    en.wikipedia.org/wiki/Star_chart

    A star chart is a celestial map of the night sky with astronomical objects laid out on a grid system. They are used to identify and locate constellations , stars , nebulae , galaxies , and planets . [ 1 ]

  3. List of stars for navigation - Wikipedia

    en.wikipedia.org/wiki/List_of_stars_for_navigation

    Navigators often use star charts to identify a star by its position relative to other stars. References like the Nautical Almanac and The American Practical Navigator provide four star charts, covering different portions of the celestial sphere. Two of these charts are azimuthal equidistant projections of the north and south poles. The other ...

  4. Celestial cartography - Wikipedia

    en.wikipedia.org/wiki/Celestial_cartography

    Collection of rare star atlases, charts, and maps Archived 2018-03-25 at the Wayback Machine available in full digital facsimile at Linda Hall Library. Navigable online map of the stars, Stellarmap.com. The Digital Collections of the Linda Hall Library include: "Astronomy: Star Atlases, Charts, and Maps", a collection of more than 60 star atlas ...

  5. Celestial navigation - Wikipedia

    en.wikipedia.org/wiki/Celestial_navigation

    A diagram of a typical nautical sextant, a tool used in celestial navigation to measure the angle between two objects viewed by means of its optical sight. Celestial navigation, also known as astronavigation, is the practice of position fixing using stars and other celestial bodies that enables a navigator to accurately determine their actual current physical position in space or on the ...

  6. Comet E3 to make closest approach to Earth tonight - AOL

    www.aol.com/weather/see-green-comet-zip-earth...

    A sky chart showing the location of Comet C/2022 E3 (ZTF) throughout January. (NASA) The easiest time to see the comet will be during the second weekend of February as it passes incredibly close ...

  7. Green comet 2023 – live: How to see E3 in sky tonight before ...

    www.aol.com/news/green-comet-2023-live-best...

    On Feb 10th, the comet will be slightly above Mars, as seen in this star chart from EarthSky,” The Canada–France–Hawaii Telescope (CFHT) joint facility tweeted. Strange phenomenon on green ...