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obs.nineplanets.org


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Ptolemy's Supper Club
A group of avid amateur astronomers.

obs.nineplanets.org

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Ptolemy's Cafe
My backyard observatory (of which I am most proud!) plus a big list of other amateur observatories.
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Estimating Limiting Magnitude
An easy method of determing how clear your sky is (thanks to Veikko Makela).
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Umbraphilia
A full report on our trip to the 1998 solar eclipse in the Caribbean.
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Transit of Venus
A brief report on our viewing of the 2004 transit of Venus.
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ATM
My adventures with amateur telescope making, including The Jiffy Focuser, my SCT Dew Heater and my 10" f/6 Dob and the Foucault tester I used to figure the mirror.
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The Nine Planets
A Multimedia Tour of the Solar System: describes the history, mythology and current scientific knowledge of each of the planets and moons and other objects in our solar system. In addition to the usual pictures, there are also sounds, an occasional movie and many links to other net resources. The text is written for a general audience not necessarily knowledgeable in astronomy; technical terms are linked to an extensive glossary.

www.nineplanets.org

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Bill Arnett
A little about me, the usual pithy quotes, contact info, etc.

bill.nineplanets.org

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Site Map
Guide to all my web other sites.
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Bill Arnett; last updated: 2005 Jan 27