The book presents a practical guide to using a small astronomical telescope of a size that corresponds to most "first" telescopes - around 75 to 150 mm, i.e. 3 to 6 inches, in diameter.
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The book presents a practical guide to using a small astronomical telescope of a size that corresponds to most "first" telescopes - around 75 to 150 mm, i.e. 3 to 6 inches, in diameter.
Read Less