Other
Scientific paper
Jun 2001
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001jahh....4...29o&link_type=abstract
Journal of Astronomical History and Heritage (ISSN 1440-2807), Vol. 4, No. 1, p. 29-42 (2001).
Other
Double Stars, English Equatorial Mounting, I. Fletcher, J.F. Miller, Ward (Wanganui) Observatory
Scientific paper
The first all-metal English equatorial Mounting of the "Cross Axis" type was constructed in 1859 for a 9.5-in (24.1 cm) Cooke refractor owned by Isaac Fletcher of Carlisle, northern England. Over the next ten years Fletcher used this telescope for systematic observations of known double stars, and after his death it was acquired by S. Chatwood of Manchester. In 1902 the telescope was purchased by J.T. Ward for the newly-formed Wanganui Astronomical Society in New Zealand. Ward used the telescope to discover new southern double stars, and it was also the mainstay of public viewing nights. This educational function has remained through to the present day, and during the 1980s and 90s O. Warren reactivated a micrometric double star programme involving the re-measurement of the Ward and other southern double stars. After nearly 150 years, the "Fletcher Telescope" remains New Zealand's largest operational refractor, and has been maintained in excellent mechanical and optical condition.
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