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The Night Sky Observer's Guide: Autumn & Winter: 1 (Inglese) Copertina rigida – 12 giu 1999

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4,5 su 5 stelle 20 recensioni clienti su Amazon.com

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Amazon.com: 4.5 su 5 stelle 20 recensioni
4 di 4 persone hanno trovato utile la seguente recensione
5.0 su 5 stelle compendium of a community 3 settembre 2010
Di drollere - Pubblicato su Amazon.com
Formato: Copertina rigida Acquisto verificato
the three volumes of the "night sky observer's guide" are the single most reliable, useful and stimulating guide to deep sky observing available in any format at any price. where other guides are excellent but introductory ("norton's star atlas and observer's handbook"), excellent but narrowly focused (mullaney's "cambridge double star atlas"), massive data dumps (cragin & bonanno's "uranometria deep sky field guide"), skimpy (luginbuhl & skiff's "celestial observer's handbook"), idiosyncratic (o'meara's "hidden treasures," "herschel 400", etc.) or downright antiquated (burnham's "celestial handbook"), the NSOG manages to define best practices across a wide variety of features. it is a pleasure and inspiration to use.

though the authors are nominally kepple & sanner, but the NSOG actually a collaborative venture with sustained support from publisher willmann bell, editing and 50 pages of front matter on astronomy and observing by craig crossen, and contributions from over 70 skilled amateur observers and astrophotographers using actual amateur equipment (described at the back of volume 1). these contributions include detailed observing notes -- which summarize how each object appears in 8" to 10", 12" to 14", or 16" to 18" reflecting telescopes -- and observer drawings that show how the object appears to an experienced viewer. where many handbooks provide visual documents without details, all the drawings and astrophotographs in NSOG indicate the field orientation, aperture, focal length and magnification (for drawings) or field orientation, aperture, focal length, film type and exposure time (for photographs). these visuals are deployed with a general constellation chart, several deep sky object finder charts, and even a finder chart key, to provide excellent visual documentation of most of the objects discussed in the text.

the three volumes are organized seasonally: volume 1 describes all the constellations best viewed in autumn or winter, volume 2 all constellations for spring and summer, and volume 3 all constellations in the southern sky; within each volume the constellations are listed alphabetically. in effect, the astronomer need only consult one or two volumes each month. each constellation chapter includes an overview of the constellation's history and contents, a marginal box of summary info (which helpfully explains how to pronounce the constellation name), separate exhaustive tables of constellation variable stars and binary/multiple stars, with short notes on the more interesting of these; and finally a long section on the deep sky objects. the descriptions for each object inclue its catalog designation(s), classification, position (epoch 2000), magnitude, brightness and angular size, and for the more famous or important objects, comments on its discovery and nature. the binding is robust and the paper is high quality, both designed to withstand nighttime moisture. the index points to the major citations of every deep sky object, listed by principal catalog name (NGC, Barnard, ESO, etc.). weirdly, there is no index listing for double or variable stars, apparently because you are supposed to know which constellation it is in and can find it listed in the chapter data tables.

these books are an extremely practical and welcome resource for amateur observers. in comparison to other sources available, it is surprising how little the NSOG leaves out, and how efficiently it has packaged everything it contains. easy to use and comprehensive, these volumes are a remarkable resource.
2 di 2 persone hanno trovato utile la seguente recensione
5.0 su 5 stelle Great resource: refers to Vols 1 & 2 31 dicembre 2012
Di Maine_Yooper - Pubblicato su Amazon.com
Formato: Copertina rigida Acquisto verificato
I found the NSOG to be a treasure trove of objects and their locations. These two books will be used for many years. The descriptions are varied, as the observations were pulled from various observers. And the descriptions are listed by what size scope the viewer used. It is designed for larger scopes (12" and up), but there are many observations done with 6" to 10" scopes, even some 4" observations thrown in. These volumes, along with planning software, are at the center of my observation planning.
1 di 1 persone hanno trovato utile la seguente recensione
5.0 su 5 stelle Great reference, thanks. Would buy again....good gift too. 17 febbraio 2013
Di Lee - Pubblicato su Amazon.com
Formato: Copertina rigida Acquisto verificato
These 2 volumes were library that were in perfect shape.
A great price for those of us who have star gazing interests.
Happy to have these. Thanks.
4.0 su 5 stelle An ultimate reference 24 agosto 2015
Di T. McRae - Pubblicato su Amazon.com
Formato: Copertina rigida Acquisto verificato
This solid, substantial text has a place on my living room coffee table. It's very much like an encyclopedia: you don't read through it, but when you need detailed information about a constellation or deep sky object, you know where to look.
2 di 2 persone hanno trovato utile la seguente recensione
5.0 su 5 stelle An amateur astronomers gem of a guide 15 marzo 2013
Di Simon Lang - Pubblicato su Amazon.com
Formato: Copertina rigida Acquisto verificato
This book is not for the faint hearted or casual observer, it goes into all the details required to submit scientific observations.
The information on all the objects is comprehensive and allows one to work out how best to observe them.
Strongly recommended for all serious observers.

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