Celestron Solar Eclipse Observing Guide August 21, 2017

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Title: Celestron Solar Eclipse Observing Guide August 21,2017 UPC: 0-50234444057 Category: Professional Sciences, Solar Eclipses Author(s): Fred and Patricia Espenak Publisher: Cel estron Format: Paperback Condition: Acceptable, missing solar shades Publication Year: 2017 Pages: 34 pages Language: English Show more