THE TOWER TELESCOPE OF THE OSLO SOLAR OBSERVATORY, HARESTUA,
Abstract
A description of the tower telescope is presented. The concrete building contains a coelostat with two plane mirrors of 46 cm. apertures, an off-axis mirror system with 30 cm. aperture and 2920 cm. focal length, a Newton-Cassegrain system with a 31.7 cm. aperture, 963 cm. focal length of the primary mirror, a horizontal spectrograph with 3 prisms of flint glass, and a grating. (Author)
Document Details
- Document Type
- Technical Report
- Publication Date
- Jan 01, 1967
- Accession Number
- AD0664929
Entities
People
- Rolf Brahde
Organizations
- University of Oslo