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  2. Category:Astronomical observatories in the United States by ...

    en.wikipedia.org/wiki/Category:Astronomical...

    Astronomical observatories in Georgia (U.S. state) (7 P) H. Astronomical observatories in Hawaii (27 P) I. ... Astronomical observatories in New Mexico (16 P)

  3. List of NGC objects - Wikipedia

    en.wikipedia.org/wiki/List_of_NGC_objects

    The following is a list of NGC objects, that is objects listed in the New General Catalogue (NGC). It is one of the largest comprehensive astronomical catalogues for deep sky objects such as star clusters, nebulae, and galaxies. List of NGC objects (1–1000) List of NGC objects (1001–2000) List of NGC objects (2001–3000)

  4. List of astronomical observatories - Wikipedia

    en.wikipedia.org/wiki/List_of_astronomical...

    Tonantzintla, Mexico Observatorio Solar Carl Sagan: 2000 Hermosillo, Sonora, Mexico Observatory House (defunct) 1789 Slough, UK Observatory of the rue Serpente (defunct) 1890–1968 Paris, France Oil Region Astronomical Observatory: Venango County, Pennsylvania, US Onan Observatory: 1990 Norwood Young America, Minnesota, US

  5. Category : Astronomical observatories in Georgia (U.S. state)

    en.wikipedia.org/wiki/Category:Astronomical...

    Pages in category "Astronomical observatories in Georgia (U.S. state)" The following 7 pages are in this category, out of 7 total. This list may not reflect recent changes .

  6. List of galaxy groups and clusters - Wikipedia

    en.wikipedia.org/wiki/List_of_galaxy_groups_and...

    In 1999, cluster RDCS J0849+4452 (RX J0849+4452, RXJ0848.9+4452) was found at z=1.261 [43] [46] In 1995 and 2001, the cluster around 3C 294 was announced, at z=1.786 [65] In 1992, observations of the field of cluster Cl 0939+4713 found what appears to be a background cluster near a quasar, also in the background. The quasar was measured at z=2. ...

  7. Messier 22 - Wikipedia

    en.wikipedia.org/wiki/Messier_22

    See also: Globular cluster, List of globular clusters Messier 22 or M22 , also known as NGC 6656 or the Great Sagittarius Cluster , is an elliptical globular cluster of stars in the constellation Sagittarius , near the Galactic bulge region.

  8. List of nearest stars by spectral type - Wikipedia

    en.wikipedia.org/wiki/List_of_nearest_stars_by...

    The scope of the list is still restricted to the main sequence spectral types: M, K, F, G, A, B and O. It may be later expanded to other types, such as S, D or C. The Alpha Centauri star system is the closest star system to the Sun.

  9. List of archaeoastronomical sites by country - Wikipedia

    en.wikipedia.org/wiki/List_of_archaeo...

    This is a list of sites where claims for the use of archaeoastronomy have been made, sorted by country.. The International Council on Monuments and Sites (ICOMOS) and the International Astronomical Union (IAU) jointly published a thematic study on heritage sites of astronomy and archaeoastronomy to be used as a guide to UNESCO in its evaluation of the cultural importance of archaeoastronomical ...