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  2. Astronomy Picture of the Day - Wikipedia

    en.wikipedia.org/wiki/Astronomy_Picture_of_the_Day

    Astronomy Picture of the Day (APOD) is a website provided by NASA and Michigan Technological University (MTU). It reads: "Each day a different image or photograph of our universe is featured, along with a brief explanation written by a professional astronomer ."

  3. IC 5146 - Wikipedia

    en.wikipedia.org/wiki/IC_5146

    IC 5146 (also Caldwell 19, Sh 2-125, Barnard 168, and the Cocoon Nebula) is a reflection [2] /emission [3] nebula and Caldwell object in the constellation Cygnus.The NGC description refers to IC 5146 as a cluster of 9.5 mag stars involved in a bright and dark nebula.

  4. Star chart - Wikipedia

    en.wikipedia.org/wiki/Star_chart

    SFA Star ChartsFree star charts; Geody Star ChartsFree (CC-by-sa) printer friendly star charts for several latitudes and times of the year; 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 ...

  5. Category:Astrometry - Wikipedia

    en.wikipedia.org/wiki/Category:Astrometry

    Astrometry is the study of the positions, distances between, and motions of astronomical objects. Subcategories This category has the following 10 subcategories, out of 10 total.

  6. Astrometry - Wikipedia

    en.wikipedia.org/wiki/Astrometry

    Astrometry is a branch of astronomy that involves precise measurements of the positions and movements of stars and other celestial bodies. It provides the kinematics and physical origin of the Solar System and this galaxy , the Milky Way .

  7. Spherical astronomy - Wikipedia

    en.wikipedia.org/wiki/Spherical_astronomy

    The science of actually measuring positions of celestial objects in the sky is known as astrometry. The primary elements of spherical astronomy are celestial coordinate systems and time. The coordinates of objects on the sky are listed using the equatorial coordinate system , which is based on the projection of Earth's equator onto the ...

  8. Celestial cartography - Wikipedia

    en.wikipedia.org/wiki/Celestial_cartography

    This print, published in Richard Blome's "The Gentleman's Recreation" (1686) shows the diverse ways in which cosmography can be applied 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 ...

  9. Messier 22 - Wikipedia

    en.wikipedia.org/wiki/Messier_22

    NASA Astronomy Picture of the Day: Globular Cluster M22 from CFHT (27 June 2005) NASA Astronomy Picture of the Day: M22 and the Wanderers (April 12, 2018) Merriefield, Mike. "M22 – Globular Cluster". Deep Sky Videos. Brady Haran. Messier 22 on WikiSky: DSS2, SDSS, GALEX, IRAS, Hydrogen α, X-Ray, Astrophoto, Sky Map, Articles and images