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10000023 : Guide to Stars Planisphere

Product #:   10000023

Brand:   David Levy,s


Description:   


The 4th edition (published 2010) of the 16-inch diameter plastic Guide to the Stars chart (formally called the David H. Levy Guide to the Stars) is an instrument to help you identify the constellations. You simply dial-in your observing time and date to find the set of constellations visible in your sky (this is accomplished by turning the clear top piece). Although this chart is designed for beginners, seasoned amateur astronomers will find it useful, too.


This chart can be used anywhere in the world between latitudes 30 and 60 degrees North, which includes the US and Canada, England, Europe, Northern China and Japan.


The 16-inch diameter is large and easy to read, ideal for families, teachers and seniors! The 4th edition has been improved by indicating more binocular objects and providing more pertinent information on the back, all without increasing clutter or decreasing the text size.


The front chart indicates 70 Constellations, the Names of 55 Stars, the Milky Way Band, the Ecliptic (which is the path of the Sun, Moon and Planets), 54 favorite Double Stars, the Summer Triangle, Winter/Summer Tours and 56 Galaxies, Star Clusters and Nebulae that can be observed with binoculars or a small telescope. Additionally, favorite star patterns are noted, like the Great Square of Pegasus, the Circlet of Pisces, the Northern Cross of Cygnus and others.


On the back side, there are useful tables and other astronomical information, including: Mythology, Yearly Meteor Showers, Moon map, Phases of the Moon, Facts about the Planets, A Short history of Astronomy, the 10 Brightest Stars, Information about the Binocular & Telescope Objects (those on the chart), Why Stars Twinkle, additional instructions for using the chart and more.


PLANET NOTE. Most star charts, like this one, do not indicate, on the chart, the position of the Planets or Moon because these objects move through the constellations of the zodiac, along a path in the sky called the Ecliptic (indicated on the chart). Website support is provided to help identify the planets that are visible in the sky.


This chart is also available in a smaller 11-inch diameter (ISBN 1-928771-03-3). And, there is a low-cost kid's version printed in color on sturdy card-like paper (ISBN 1-928771-22-X). Finally, there is the Equatorial Guide to the Stars for use in and around the equator (ISBN 1-928771-77-7).


$24.49 (for 11 inch)  CONTACT  US

 


Basically a planisphere is starmap printed on one of two plastic disks which are joined together in the center and free to rotate. Around the edge of one disk are the days of the year while the other disk has the hours of the day. By setting the time, on one disk, opposite the date on the other, it is possible for you to see the sky, through a window in the top disk, as it would appear at that particular day and time.


There are several thing about David Levy's planisphere that recommend it. To begin with it is BIG, 16 inches in diameter to be precise, and the printing is large and easy to read. Secondly, it is a good representation of the sky showing only those stars visible to the unaided eye. Finally, the reverse side contains information about the Moon, planets, meteor showers and a listing of interesting galaxies and star clusters visible in binoculars or a small telescope. If you are a beginning "Stargazer", or thinking about becoming one, this should be your first acquisition.




Price:   35.49


10000023 : Guide to Stars Planisphere

$35.49

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