Image: Astronomical observatory plaque in Volcano CA

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Description: Plaque says - Here in Volcano in 1860, Miner and amateur astronomer George Madeira build California's first astronomical observatory of record and operated it for two years. Using a three inch refractor telescope he studied sun and moon, stars and planets, and other glories of the heavens, including the great comet of 1861. California registered historical landmark No. 715 Plaque placed by the state department of parks and recreation in cooperation with the astronomical societies of Stockton and Sacramento. Plaque first placed in 1968. Revised and relocated in 2004.
Title: Astronomical observatory plaque in Volcano CA
Credit: Own work
Author: Sgerbic
Usage Terms: Creative Commons Attribution-Share Alike 4.0
License: CC BY-SA 4.0
License Link: https://creativecommons.org/licenses/by-sa/4.0
Attribution Required?: Yes

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Volcano, California

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