Repsold Heliometer
7 inch (17 cm)
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Index:
Summary;
History;
Current;
Technical;
Source
The Repsold Heliometer. The sketch is part of a compilation of sketches concerning the Cape Observatory.
Published by "The Graphic", 27 August 1892. Courtesy of Africana Museum, Johannesburg. Source: Moore.
In brief
Important Contributions:
- Gill determined the solar parallax (in co-operation with Northern Hemisphere observations) of three minor Planets, Iris; Victoria and Sappho.
- Gill determined the distances to Southern Hemisphere stars.
Description:
Sir
David Gill
came to the Cape Observatory and bought with him the Dun
Echt Heliometer.
He then decided to procure a larger instrument, which was
the Repsold Heliometer.
Historical Background
Owner:
Cape
Observatory.
Where Located:
1887 - ?: Cape Observatory.
Current Information
Present Location:
Owner:
Status:
Condition:
Technical Details
Type: Reflector / Refractor
Aperture: 7 inch (17,78 cm)
Focal Length:
Mirror / Lens:
Mounting:
- The mounting originally carried Gill's heliometer.
- Later the mounting was used for the 18-inch telescope.
Attachments:
Manufacturer:
Sources
Link
to the Main Bibliography
Section
and more information about Sources.
Documentation:
Pictorial Sources:
Bibliography:
- Laing, J.D. (ed.), The Royal Observatory at the Cape of Good Hope 1820 - 1970 Sesquicentennial Offerings, pp.12 - 13; p.31.
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