File:Bulletin of the California Academy of Sciences (1884-1886) (20260709619).jpg

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Title: Bulletin of the California Academy of Sciences
Identifier: bulletinofcalifo01cali (find matches)
Year: 1884-1886 (1880s)
Authors: California Academy of Sciences
Subjects: Natural history; Science
Publisher: (S. l. : The Academy)
Contributing Library: MBLWHOI Library
Digitizing Sponsor: MBLWHOI Library

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About This Book: Catalog Entry
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Text Appearing Before Image:
CALIFORNIA ACADEMY OF SCIENCES. 339 BLACK TRANSITS OF JUPITER'S SATELLITES HI AND IV. BY PEOF. GEO. DAVIDSON. At the meeting of March 3d, 1884, the President called attention to the observation of the black transit of the III and IV Satellites of Jupiter, made by Messrs. Burckhalter and Hill, and himself. The paper was accompanied by his drawings to exhibit the phenomena. The first observation was upon the transit of the III Sat- ellite, and its shadow over the disk of the planet, on the 15th of January, at 9 hr. 01 m., local mean time, by Profes- sor Davidson. It is illustrated in Fig. 1, wherein the small dark disk is the shadow of the satellite with the partially dark image of the satellite itself three or four diameters to the right. The figure gives the appearance of the planet, etc., as seen with the inverting eye-piece.
Text Appearing After Image:
Fig. 1—Jan. 15, 1884—Jupiter at 17h. 11m. G. M. T. When it was examined with powers of 120 to 150 diame- ters, the image of the satellite itself showed nearly as dark as the shadow, but not quite so large. After making the first drawing, the atmosphere was steady enough to admit using 255 diameters. This was 12 minutes later, and then the satellite was seen as a circle with a segment of two-thirds of the disk bright white, and the other segment of one-third 12

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https://www.flickr.com/photos/internetarchivebookimages/20260709619/

Author Internet Archive Book Images
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Flickr tags
InfoField
  • bookid:bulletinofcalifo01cali
  • bookyear:1884-1886
  • bookdecade:1880
  • bookcentury:1800
  • bookauthor:California_Academy_of_Sciences
  • booksubject:Natural_history
  • booksubject:Science
  • bookpublisher:_S_l_The_Academy_
  • bookcontributor:MBLWHOI_Library
  • booksponsor:MBLWHOI_Library
  • bookleafnumber:431
  • bookcollection:biodiversity
  • bookcollection:MBLWHOI
  • bookcollection:blc
  • bookcollection:americana
  • BHL Collection
  • BHL Consortium
Flickr posted date
InfoField
10 August 2015



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22 September 2015

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