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Proceedings Paper

Balloon-borne telescope for high-resolution solar imaging and polarimetry
Author(s): Pietro N. Bernasconi; David M. Rust; Harry A. Eaton; Graham A. Murphy
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Paper Abstract

In January 2000, an 80-cm F/1.5 Ritchey-Chretien solar telescope flew for 17 days suspended from a balloon in the stratosphere above Antarctica. The goal was to acquire long time series of high spatial resolution images and vector- magnetograms of the solar photosphere and chromosphere. Such observations will help to advance our basic scientific understanding of solar activity, in particular flares. Flying well above the turbulent layers of the Earth's atmosphere, the telescope should be able to operate close to its diffraction limited resolution of 0.2 arcsec, providing high resolution observations of small scale solar features. To achieve this goal we developed a platform for the optical telescope that is stable to nearly 10 arcsec. We also developed an image motion compensation system that stabilizes the solar image on the CCD focal plane to about 1 arcsec.

Paper Details

Date Published: 20 June 2000
PDF: 12 pages
Proc. SPIE 4014, Airborne Telescope Systems, (20 June 2000); doi: 10.1117/12.389100
Show Author Affiliations
Pietro N. Bernasconi, Johns Hopkins Univ. (United States)
David M. Rust, Johns Hopkins Univ. (United States)
Harry A. Eaton, Johns Hopkins Univ. (United States)
Graham A. Murphy, Johns Hopkins Univ. (United States)

Published in SPIE Proceedings Vol. 4014:
Airborne Telescope Systems
Ramsey K. Melugin; Hans-Peter Roeser, Editor(s)

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