'261 List of Photographs taken with the Astrographic Equatorial, from 1900 May 29 to 1901 April 16th', [Plate] No. 4990-5579, 29 May 1900 to 16 April 1901 and 1904
Scope and Contents
Volume of printed 'Forms No. 261' with handwritten entries for photographic plates nos 4990-5579, made with the 13-inch Astrographic Equatorial.
Column headings are: no. of photo, date, position of telescope, orient. of screw, observer (initials), R.A., Dec. North, Micrometer scale readings (R.A. and Dec.), clock times of exposures (begin, end, duration), barometer (external and internal therm.), plate and development, remarks (e.g. dark, good, duplicate, etc.), signature. Many plates are also marked 'Chart' or 'Cat' [Catalogue] in red. Includes plates taken of Eros and Nova Persei (1901). After Plate 309 there is a list of barometer and thermometer readings taken December 1900 (dated 1904).
Dates
- Creation: 29 May 1900 to 16 April 1901 and 1904
Creator
- From the Management Group: Royal Greenwich Observatory (Organization)
Conditions Governing Access
Unless restrictions apply, the collection is open for consultation by researchers using the Manuscripts Reading Room at Cambridge University Library. For further details on conditions governing access please contact mss@lib.cam.ac.uk. Information about opening hours and obtaining a Cambridge University Library reader's ticket is available from the Library's website (www.lib.cam.ac.uk).
Extent
1 volume(s)
Physical Characteristics and Technical Requirements
Handle with care: spine is missing and cover is semi-detached.
Repository Details
Part of the Cambridge University Library Repository
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