Metcalf Triplet
25 cm (10 inch)
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 dimension.
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.
In brief
Important Contributions:
Photographs taken with the Metcalf telescope while it was stationed
at Boyden
Observatory, Arequipa,
was used by Henrietta
Leavitt.
The work done by her using these photographs is of central importance
to the history of astronomy. Due to her work, the "Period-Luminosity
Law" was established & she discovered the standard
candle (light intensity) to be used to measure distances.
Description:
Historical Background
Owner/s:
Where Located:
Boyden Observatory
Current Information
Present Location:
Boyden Observatory
Owner:
University of the Orange Free State
Status:
Condition:
Technical Details
Type: Reflector / Refractor
Aperture: 10 inch (25.4 cm)
Focal Length:
Mirror / Lens:
Mounting:
Attachments:
Manufacturer: Metcalf
Operational History:
Building:
Sources
Link
to the Main Bibliography
Section
and more information about Sources.
Documentation:
Pictorial Sources:
Bibliography:
- Moore, P. & Collins, P., Astronomy in Southern Africa, p (General Source)
- Smits P. A Brief History of Astronomy in Southern Africa. (Unpublished).
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