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This mirror-image Moon map is perfect for the image-reversed views seen through refractor or catadioptric telescopes
Dates on the chart run vertically from top to bottom
I offer some words on how to fold the rating of the objective mirror into a more complete perspective on the performance of a finished telescope
and secondly
Advanced Observing: Visual Mysteries of the Universe, Vol. 3 Not Shipbob This mirror-image Moon map isAuthor: Larry Mitchell Advanced Observing: Visual Mysteries of the Universe is based upon the popular Texas Star Partys (TSP) Advanced Observing Programs. The three books cover the spring, summer, and fall night sky with two main goals: to find obscure, deep sky objects, and to learn about them. The books include 200 deep sky objects along with several easy to follow detailed finder charts. By carefully following a method known as star hopping, the
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