Metcalf Triplet25 cm (10 inch) |
Index:
Summary; History; Current; Technical; Sources; Links; Gallery:
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
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 (Unpublished).