By Kenneth Glyn Jones
Charles Messier's catalog of nebulae and big name clusters, released in 1784, marked the beginning of a brand new period of deep-sky astronomy. this day, this practice of looking at galaxies and clusters is stored alive via committed beginner astronomers. approximately all of the items are noticeable in a small telescope, and plenty of, similar to the Crab Nebula and the Andromeda galaxy, are one of the such a lot interesting gadgets within the universe. Kenneth Glyn Jones has revised his definitive model of Messier's catalog. His personal observations and drawings, including maps and diagrams, make this a beneficial creation to deep-sky looking at. ancient and astrophysical notes deliver the technology of those nebulae correct brand new. this can be a distinctive instruction manual, not going ever to be equaled in its completeness and significance to the telescope proprietor.
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