Improving image quality at the Danish 1.54-m telescope.

Details Improving image quality at the Danish 1.54-m telescope. Improving image quality at the Danish 1.54-m telescope.

Jun 1998

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998msngr..92...18b&link_type=abstract

The Messenger, vol. 92, p. 18-19

Physics

Telescopes: Image Quality

Scientific paper

The image quality achieved at a telescope depends on many factors, not the least of which is the thermal environment of the dome, telescope, and mirror. During the daytime, the dome, telescope and mirror heat up; at night this heat is released, causing air turbulence which degrades the seeing by causing the starlight to be diffracted along different paths. As part of the seeing improvement campaign at the major La Silla telescopes, it has been decided to address these problems also at the Danish 1.54-m telescope, which was once known for its excellent images (e.g. The Messenger No. 17, p. 14, 1979).

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