Astrographic Refractor
13 inch refractor with 10 inch guiding telescope
Interesting Links:
Link to Objects Lost
and / or Found.
Link to a short History
of Astronomy
in Southern Africa.
Link to a Time
Line
to see how Events on this page relates to the bigger time dimention.
Link to view the Achievements
and other Interesting Aspects
of Southern African Astronomers.
Link to the Telescope
Manufacturers
Link to the Main Bibliography
Section
and more information about Sources.
Index:
Summary;
History;
Current;
Technical;
Source.
The Astrographic Refractor with Joseph Churms.
Source: A.S.S.A. Archives: Peter Smits Collection
In brief
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.
Historical Background
Owner:
Cape
Observatory
Where Located:
Cape Observatory
Current Information
Present Location:
Owner:
Status:
Condition:
Technical Details
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
Sources
Link
to the Main Bibliography
Section
and more information about Sources.
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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