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Showing 1 to 15 of 26 results
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Mazelspoort Meteorological Observations: 1927-1928 (No. 1)
This register contains the earliest weather data recorded at Boyden, very shortly after the site was established. Almost a year's records are…
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Log Book: 13-inch Boyden Refractor Spectrum Plates (13h42m to 16h00m) (B, A, F stars)
Lists of stars, giving basic stellar data and exposure instructions for each. Several stars are struck through with red. Some entire pages are…
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Log Book: 13-inch Boyden Refractor Spectrum Plates (7h0m to 12h59m) (Book 2)
Lists of stars, giving basic stellar data for each. Several stars are struck through, with numbers, presumably plate numbers, appended in pencil.…
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Log Book: 13-inch Boyden Refractor (Plate Series X): Objective prism stellar spectra
From the cover: "13-inch / [Plate series] X / Objective Prism / Absolute Magnitudes / New List / Also additional list of M stars / G+K stars…
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Log Book: 13-inch Boyden Refractor Spectrum Plates (21h24m to 5h59m) (Book 4)
A note on the left inner board describes the book as a continuation of spectral work on the 13-inch. Contains lists of stars, giving basic stellar…
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Log Book: 13-inch Boyden Refractor Spectrum Plates: A and F stars (Book A) (Book II)
Two lists of HR stars for a programme of spectral photography. Entries are followed by pencilled-in plate numbers. Title from the cover: "A5…
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Log Book: 13-inch Boyden Refractor Spectrum Plates: B, A, F stars (Book B)
Three lists of HR stars, of young spectral type, for a programme of spectral photography. Entries are followed by pencilled-in plate numbers. All…
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Plate Book: 10-inch Metcalf (1958 June - 1959 November)
A plate book for the 10-inch Metcalf telescope, from 1958 June 13 to 1959 November 02, with plate numbers from 43,106 to 44,812. The book has pre-…
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Mazelspoort Meteorological Observations: 1928 August 01 to 1933 December 31
This register is the second volume of weather data recorded at Boyden. No title is written on the cover or spine. The volume gives daily weather…
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Log Book: 1-inch Camera (Plate Series WI) (1925-1926)
Plate book for a 1-inch camera, listing plates taken from 1925 July 30 to 1926 October 02, from Arequipa (Peru) and Chuquicamata (Chile). A…
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Log Book: 13-inch Boyden Refractor Spectrum Plates (13h00m to 21h24m) (Book 3)
Lists of stars, giving basic stellar data for each. Several stars are struck through, with numbers, presumably plate numbers, appended in pencil.…
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Log Book: 13-inch Boyden Refractor (Plate Series X): Imaging and Spectrography Programmes (1922-1924)
Title from cover: "X / 13-inch Boyden / EPEMERIS". Several programmes for direct photography and spectrography, giving lists of targets…
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Log Book: 13-inch Boyden Refractor Double Star Programme (1925)
List of double stars, arranged by Struve Number, giving basic data for each star, followed by pencilled-in plate numbers where applicable. From a…
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Log Book: 24-inch Bruce Programmes: MWF, HLF, Magellanic Clouds (1942-1949)
Title on cover front: "24-inch / Variables - Magellanic Clouds - Miscellenea / No. 4/1940". This logbook details several photographic…
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Plate Book: 5-inch Voigtländer Camera (1925-1926)
Purple ink stamp on first page: "5[inch] Voigtlander". A plate book (plate numbers 8516-8573) for the period 1925 October 28 to 1926…
