Solar feature correlation tracker for ground-based telescopes

Details Solar feature correlation tracker for ground-based telescopes Solar feature correlation tracker for ground-based telescopes

Oct 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989a%26a...224..351v&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 224, no. 1-2, Oct. 1989, p. 351-360.

Astronomy and Astrophysics

Astronomy

23

Compensatory Tracking, Image Correlators, Image Motion Compensation, Seeing (Astronomy), Solar Granulation, Telescopes, Analog To Digital Converters, Block Diagrams, Covariance

Scientific paper

A tracking system that stabilizes atmospheric and instrumental image motion has been tested at the vacuum tower telescope of the National Solar Observatory at Sacramento Peak. The system locks anywhere on the sun, using solar granulation or other small scale structures as tracers. A matrix diode array rapidly scans the scene of interest; pictures are cross-correlated in real time with a previously recorded reference image of the same area on the sun.

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