Ryan Bishop’s Reviews > Choosing and Using a New Cat: Getting the Most from Your Schmidt Cassegrain or Any Catadioptric Telescope > Status Update

Ryan Bishop

Ryan Bishop is 90% done

— Mar 20, 2017 02:34PM

Choosing and Using a New Cat: Getting the Most from Your Schmidt Cassegrain or Any Catadioptric Telescope (Patrick Moore's Practical Astronomy Series)

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