26 June 2006 The feasibility of replacing the U.S. Naval Observatory's 61-inch astrometric reflector with a 3.5 m telescope
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Abstract
The USNO 61" (1.55 m) astrometric reflector was state-of-the-art when it entered service in 1964. However, with a relatively small aperture, it now has limited research capability because it can not observe faint objects. The current facility, including dome and pier, offers significant resources upon which to build a larger telescope. Preliminary estimates indicate that a 3.5 m telescope could be retrofitted into the dome at a cost of ~$10-15 million; about half the cost of building on a new site. USNO has contracted with an engineering firm to perform a feasibility study of such a telescope upgrade, the results of which are summarized.
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Michael DiVittorio, Michael DiVittorio, Gordon Pentland, Gordon Pentland, Kevin Harris, Kevin Harris, } "The feasibility of replacing the U.S. Naval Observatory's 61-inch astrometric reflector with a 3.5 m telescope", Proc. SPIE 6267, Ground-based and Airborne Telescopes, 62673I (26 June 2006); doi: 10.1117/12.673064; https://doi.org/10.1117/12.673064
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