small observatories

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Presentation on the research I'm doing for a small observatories handbook for the RASC
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Percival Lowell didn't discover Pluto, Clyde Tombaugh did back in 1930 while he was at the Lowell Observatory in Flagstaff, Arizona, USA. The observatory was founded by Percival Lowell.

JohnS
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I'm considering building a roll off shed myself and i found this very interesting, thank you for taking the time to upload it

James-iqfz
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I've always heard aperture sickness as aperture fever this is the first time I am hearing it as aperture sickness but we all know we're saying.

charlessands