Astrographic Refractor
13 inch refractor with 10 inch guiding telescope |
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Index:
Summary; History; Current; Technical; Sources; Links; Gallery:
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| Important Contributions:
Description:
- Sir David Gill’s photographic work was very important. (“Father of Astrophotography”). The Royal Cape Observatory became one of the working centres for the Paris Observatory Astrophotographic Catalogue “Carte Du Ciel” (CDC). This telescope was the main operative instrument.
- This was the main instrument used for the Cape Photographic Catalogue (CPC 50).
- Since 1943 this instrument was used for precision photometry, firstly by the Fabry method and later photo-electrically.
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Owner:
Cape Observatory
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Where Located:
Cape Observatory |
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| Present Location:
Owner:
Status:
Condition: |
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| 13 inch
Type: Refractor
Aperture: 13 inch (33 cm)
Focal Length:
Lens:
Mounting:
Attachments:
Manufacturer:
Maintenance:
- Built in 1889
- Overhauled and modernised during 1957
10 inch
Type: Refractor
Aperture: 10 inch (25.4 cm)
Focal Length:
Lens:
Mounting:
Attachments:
Manufacturer:
Maintenance:
- Built in 1889
- Overhauled and modernised during 1957
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| Documentation:
Pictorial Sources:
Moore, P. & Collins, P., Astronomy in Southern Africa, p.77. No. 5 & 11 (possible drawings / not sure)
Bibliography:
- Laing, J.D. (ed.), The Royal Observatory at the Cape of Good Hope 1820 – 1970 Sesquicentennial Offerings. P.17; p.29.
- Moore, P. & Collins, P., Astronomy in Southern Africa, p.79. (General Source)
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Gallery
The Astrographic Refractor with Joseph Churms.
Source: A.S.S.A. Archives: Peter Smits Collection
