A Guide to Observing Deep-Sky Objects Throughout the Year
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Köp båda 2 för 768 krFROM THE REVIEWS: SKY & TELESCOPE "Most everything you want to know about observing clusters, nebulae, and galaxies can be found in these meaty selections from the Practical Astronomy series of legendary British astronomy popularizer Patrick MooreNo doubt some amateurs will want to have all three of these well-prepared guides on their astronomy bookshelves. SKY & TELESCOPE "it packs a lot of information. I enjoyed the authors insightful and well-written introduction that waxes philosophical about observing as it explains the layout of the bookThe descriptions are presented in easy-going, accessible prose, with the authors giving advice on the minimum optics required for pleasing views of each object.
I Preparing for Deep-Sky Observing.- 1 Introduction.- 2 Deep-Sky Observing.- 3 Avoiding Common Mistakes.- 4 The Messier Marathon and Other Pursuits.- 5 What Are We Looking At?.- 6 Atlases and Other Resources.- II The Night Sky Month by Month.- 7 The Star System and Nomenclature.- 8 January 08 Hours RA.- 9 February 10 Hours RA.- 10 March 12 Hours RA.- 11 April 14 Hours RA.- 12 May 16 Hours RA.- 13 June 18 Hours RA.- 14 July 20 Hours RA.- 15 August 22 Hours RA.- 16 September 00/24 Hours RA.- 17 October 02 Hours RA.- 18 November 04 Hours RA.- 19 December 06 Hours RA.- 20 Postscript.- About the Photo Contributors.