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001 36470
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040 _aUtSlPG
041 7 _aen
_2iso639-1
050 4 _aQB
100 1 _aKeeler, James Edward,
_d1857-1900
245 1 0 _aPhotographs of Nebulæ and Clusters, Made with the Crossley Reflector
264 1 _aSalt Lake City, UT :
_bProject Gutenberg,
_c2011
300 _a1 online resource :
_bmultiple file formats
336 _atext
_btxt
_2rdacontent
337 _acomputer
_bc
_2rdamedia
338 _aonline resource
_bcr
_2rdacarrier
500 _aRelease date is 2011-06-19
508 _aProduced by Bryan Ness and the Online Distributed Proofreading Team at http://www.pgdp.net (This file was produced from images generously made available by The Internet Archive/American Libraries.)
520 _a"Photographs of Nebulæ and Clusters, Made with the Crossley Reflector" by Keeler is a scientific publication written in the late 19th century. The work presents pioneering astronomical photography focused on capturing images of nebulæ and star clusters using the Crossley Reflector at the Lick Observatory. The book discusses the innovations in astrophotography and the significant discoveries made through these photographic endeavors. The opening of the volume begins with a note acknowledging some technical issues with original photographic plates, specifically regarding the visibility of dark rings around certain stars. Following this, the preface outlines Professor James Edward Keeler's ambitious plan to photograph various celestial bodies during his directorship at the Lick Observatory, detailing his success in capturing images of numerous nebulæ. It sets the stage for discussing the revolutionary findings regarding the existence of thousands of unrecorded nebulæ and their spiral structures, highlighting both the challenges and the advancements in observational techniques made during Keeler's time. (This is an automatically generated summary.)
534 _nOriginal publication data not identified
653 _aNebulae
653 _aStars -- Clusters
653 _aAstronomical photography
653 _aCrossley reflector
856 4 0 _uhttps://www.gutenberg.org/ebooks/36470
999 _c77310
_d77310