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'261 List of Photographs taken with the Astrographic Equatorial, from 1893 June 2 to 1895 March 15', [Plate] No. 1153-2450, 2 June 1893 - 15 March 1895 and 1948

 Item
Reference Code: GBR/0180/RGO 156/2/2

Scope and Contents

Volume of printed 'Forms No. 261' with handwritten entries for photographic plates nos 1153-2450, 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, signature. Many plates are also marked 'Chart' or 'Cat' [Catalogue] in red.

The volume includes entries signed by Christies' "Lady Computers" as observers: A.E. [Alice Everett] and A.R. [Annie Russell, later Maunder]. It includes observations of stars, Comet Quinesset (1893), Nova Aurigae (1893), Jupiter (1893), Comet Denning (1894), and Mars (1894). Plates 1972-3 include a note by P.J. Melotte dated 1948.

Dates

  • Creation: 2 June 1893 - 15 March 1895 and 1948

Creator

Conditions Governing Access

From the Management Group:

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 semi-detached.

Repository Details

Part of the Cambridge University Library Repository

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