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  1. Wikipedia
    https://en.wikipedia.org › wiki › Henry_Draper_Catalogue

    Henry Draper Catalogue - Wikipedia

    • The Henry Draper Catalogue (HD) is an astronomical star catalogue published between 1918 and 1924, giving spectroscopic classifications for 225,300 stars; it was later expanded by the Henry Draper Extension (HDE), published between 1925 and 1936, which gave classifications for 46,850 more stars, and by the Henry Draper Extension Charts (HDEC), publish… See more

    History

    The origin of the Henry Draper Catalogue dates back to the earliest photographic studies of stellar spectra.
    A … See more

    Availability and usage

    Stars contained in the main portion of the catalogue are of medium magnitude, down to about 9 (about ⁠1/15⁠ as bright as the faintest stars visible with the naked eye). The extensions contain stars as faint as the 11th magnit… See more

    External links

    The Henry Draper Catalogue and its extensions are available on line free of charge at the VizieR service of the Centre de Données astronomiques de Strasbourg:
    • Henry Draper Catalogue and Extension, A. J. Cannon … See more

    Henry Draper Catalogue - SKY-MAP
    https://server6.sky-map.org/group?id=23
    Catálogo Henry Draper – Wikipédia, a enciclopédia livre
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    Henry Draper Catalogue – Wikipedie
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    Wikipedia text under CC-BY-SA license
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  2. Wikipedia
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    Henry Draper - Wikipedia

     
  3. Wikipedia
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    Category:Henry Draper Catalogue objects - Wikipedia

  4. Wikiwand
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    Henry Draper Catalogue - Wikiwand

  5. sky-map.org
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    Henry Draper Catalogue - SKY-MAP

  6. Astro Vaporia
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    Henry Draper Catalog - Vaporia

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    What is the Henry Draper Catalogue?
    The Henry Draper Catalogue is an astronomy catalogue with astrometric and spectroscopic data about more than 225,000 of the brightest stars visible from the northern hemisphere. The catalogue was first published between 1918 and 1924.

    Henry Draper Catalogue - SKY-MAP

    server6.sky-map.org
    What is a Draper HD catalogue?
    The HD catalogue is named after Henry Draper, an amateur astronomer, and covers the entire sky almost completely down to an apparent photographic magnitude of about 9; the extensions added fainter stars in certain areas of the sky.

    Henry Draper Catalogue - Wikipedia

    en.wikipedia.org
    When was the Draper Catalogue first published?
    The catalogue was first published between 1918 and 1924. It was compiled by Annie Jump Cannon and co-workers at Harvard College Observatory under the supervision of Edward C. Pickering, and was named in honour of Henry Draper, whose widow donated the money required to finance it.

    Henry Draper Catalogue - SKY-MAP

    server6.sky-map.org
    What did Henry Draper do for a living?
    After his untimely early death from double pleurisy, his widow Mary Anna Draper funded the Henry Draper Medal for outstanding contributions to astrophysics and a telescope, which was used to prepare the Henry Draper Catalog of stellar spectra.

    Henry Draper - Wikipedia

    en.wikipedia.org
    What did Henry Draper photograph?
    Using his 11 inch Clark Brothers photographic refractor he took a 50-minute exposure. He photographed the spectrum of Jupiter in 1880. The Henry Draper Observatory where he took his much-admired photographs of the moon, was in Hastings-on-Hudson, New York. Today the building functions as the Hastings-on-Hudson Historical Society.

    Henry Draper - Wikipedia

    en.wikipedia.org
    Where is Henry Draper telescope now?
    This historical Henry Draper telescope is now at the Toruń Centre for Astronomy ( Nicolaus Copernicus University) at Piwnice, Poland. The small crater Draper on the Moon is named in his honor. The Changes of Blood-Cells in the Spleen, thesis, 1858.

    Henry Draper - Wikipedia

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  8. scientificlib.com
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    Henry Draper Catalogue - Scientific Lib

  9. Wikipédia
    https://pt.wikipedia.org › wiki › Catálogo_Henry_Draper

    Catálogo Henry Draper – Wikipédia, a enciclopédia livre

  10. Wikipedii
    https://cs.wikipedia.org › wiki › Henry_Draper_Catalogue

    Henry Draper Catalogue – Wikipedie

  11. Wikipedia
    https://en.wikipedia.org › wiki › Star_catalogue

    Star catalogue - Wikipedia

  12. wikidata.org
    https://www.wikidata.org › wiki

    Henry Draper Catalogue - Wikidata

  13. ZME Science
    https://www.zmescience.com › feature-post › space...

    Annie Jump Cannon: the legend behind stellar classification

  14. Detailed Pedia
    https://www.detailedpedia.com › wiki-Henry_Draper_Catalogue

    Henry Draper Catalogue - Detailed Pedia

  15. wikimedia.org
    https://commons.wikimedia.org › wiki › Category:Stars...

    Category : Stars by Henry Draper Catalogue number

  16. WIKI 2
    https://wiki2.org › en › Henry_Draper_Catalogue

    Henry Draper Catalogue - Wikipedia Republished // WIKI 2

  17. Wikipedia
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  18. ウィキペディア
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    ヘンリー・ドレイパーカタログ - Wikipedia

  19. wikipedia.org
    https://mk.wikipedia.org › wiki › Каталог_„Хенри_Дрејпер“

    Каталог „Хенри Дрејпер“ — Википедија

  20. Wikipedia
    https://en.wikipedia.org

    Henry Draper Catalog - Wikipedia

  21. Scribd
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    Henry Draper Catalogue - Wikipedia | PDF | Stellar Astronomy