'261 List of Photographs taken with the Astrographic Equatorial, from 1912 May 13 to 1920 Oct. 27', Plates 8128-9088, 13 May 1912 - 27 October 1920
Scope and Contents
Volume of printed 'Forms No. 261' with handwritten entries for photographic plates nos 8128-9088 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. Some plates are also marked 'Reject' in red. Preceded with a note on the development of the plates. In addition to stars, photographs registered include Comet a 1912 Gale, Nova Aquilae and Nova Cygni.
Dates
- Creation: 13 May 1912 - 27 October 1920
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; front cover is semi-detached; first pages are detached.
Repository Details
Part of the Cambridge University Library Repository
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