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'261 List of Photographs taken with the Astrographic Equatorial, from 1898 January 2nd to 1900 May 28th', [Plate] No.3809-4989, 2 January 1898 - 28 May 1900

 Item
Reference Code: GBR/0180/RGO 156/2/4

Scope and Contents

Volume of printed 'Forms No. 261' with handwritten entries for photographic plates nos 3809 to 4989, made with the 13-inch Astrographic Equatorial. Numbered '4' on the spine.

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. Remarks for Plate 4101 of the nebula of Andromeda state that it was taken to check a supposed observation of a new star there, August 1898.

Dates

  • Creation: 2 January 1898 - 28 May 1900

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 fragmentary and cover is semi-detached.

Repository Details

Part of the Cambridge University Library Repository

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