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Observer's Guide to Star Clusters
e-bok,
2013,
Engelsk,
ISBN 9781461475675
Amateur astronomers of all expertise from beginner to experienced will find this a thorough star cluster atlas perfect for easy use at the telescope or through binoculars. It …
Field Guide to Deep-Sky Objects
e-bok,
2011,
Engelsk,
ISBN 9781461412663
This star guide enables amateur astronomers to focus on a class of object, and using an observation list that begins with the easiest object, find and move progressively over a …