Physics – Optics
Scientific paper
Sep 1977
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1977pasau...3...97t&link_type=abstract
(Astronomical Society of Australia, Annual General Meeting, 11th, Clayton, Victoria, Australia, May 30-June 1, 1977.) Astronomic
Physics
Optics
Airborne Equipment, Balloon-Borne Instruments, Gondolas, Infrared Astronomy, Infrared Telescopes, Atmospheric Effects, C-141 Aircraft, Cassegrain Optics, Instrument Errors
Scientific paper
Earth's atmosphere more often than not hinders accurate astronomical observations at infrared wavelengths. This paper outlines two methods of high-atmosphere astronomy which make IR observations possible. The first consists of launching a gondola to an altitude of 30 km and equipping it with a helium cooled 500 IR telescope. This would permit observations at all wavelengths from 10 microns to 1 mm over a period of three days. The second involves a somewhat simpler method: equipping a C-141 aircraft (cruise altitude 10-15 km) with a 91 cm Cassegrain telescope. Recent IR observations from aircraft are presented as an example of the effectiveness of this technique.
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