Company Seven.

  C-7 Home Page C-7 News Consignment Library Products & Services Product Lines Order Search

Index of Books We Recommend Pricing

"Turn Left at Orion: Hundreds of Night Sky Objects To See In A Home Telescope - And How to Find Them"

Written by Guy Consolmagno and Dan M. Davis.
Illustrations by: Mary Lynn Skirvin, Karen Kotash Sepp, Todd Johnson, Anne Drogin

Softcover, spiralbound - 254 pages, Fourth Edition November 2011
Cambridge University Press; ISBN: 052153973
Dimensions: 12-¼ x 10-½ x 0.5 inches
Other Available Editions: None

Turn Left At Orion book cover (18,228 bytes) Click on image at left to view enlargement (70,747 bytes)

This is the book to buy if you now own or plan to buy your first telescope (at least a 60mm/2.4 to 80mm/3.1 inch refractor, or reflector of about 15-20cm/6 to 8 inch, or a binocular), and all you want to read about is how to go out and find the easier to see solar system and deep sky objects, and read about what there is to observe of them. This fourth edition continues to set a standard of excellence as a guide to aid the beginning astronomer learn how to find their way around the night sky being quite readable by the newcomer, while not overwhelming. "Turn Left at Orion" is written and illustrated in a manner that will appeal to the elementary school aged children, while still attracting and maintaining the interest of the more easily befuddled adult. Unlike many guides to the night sky, this edition of the book is specifically written for observers using small to mid size telescopes. Clear and easy-to-use, this fascinating book will appeal to sky watchers of all ages and backgrounds. No previous knowledge of astronomy is needed.

This new edition includes basic explanations about the characteristics of and differences between amateur "beginner" or entry level telescopes, those that are worthwhile having anyway. The content introduces the reader to most popular entry level instruments including the popular Dobson-style telescopes that have come to the forefront of the amateur community as providing the "best bang for the buck". There are some brief explanations of their most vital accessories too.

Turn Left At Orion will help readers comprehend how the rotation of the Earth and its orbit around the Sun affect what we can find to observe in the night sky from season to season. This book is an aid for someone using a small to mid size, reasonable quality telescope who seeks to find the many celestial objects including: double stars, galaxies, nebulae, diffuse nebulae, planetary nebulae, with good information about finding the planets Mercury, Venus, Mars, Jupiter and Saturn in tables updated through to 2024. There are also detailed illustrated articles about what the major visible features are on the major planets, and how best to see them. There is also a well illustrated chapter with night to night information about what and how to observe the features on the Moon is it goes through its phases. It also provides sketches detailing the major features on the planets Mars, Jupiter and Saturn from the perspective of how they may appear in a typical amateur telescope.

A guidebook for beginning amateur astronomers "Turn Left at Orion" also provides information you need to locate and begin to observe a whole host of "deep sky" celestial objects - those outside our Solar System including the popular "Messier" catalog. Large format charts and diagrams show the night sky through the seasons, and many of the most popular faint deep sky objects are arranged season by season and illustrated close up and as they may appear in a finderscope or in a good quality small telescope. For each major object there is information on the current state of our astronomical knowledge. All deep sky objects are rated by the authors on a scale so that the beginner may better understand which are easier, and which are more challenging to observer.

Thoroughly revised and updated in November 2000 and again in November 2011, the current edition is easy to distinguish from its predecessors by its spiral binding arrangement; an entirely more user-friendly binding that makes it easy to leave the book open flat while observing. This edition contains a chapter describing spectacular deep sky objects visible from the southern hemisphere for our friends down under or for those who intend to visit. It also goes into explaining several of the upcoming special celestial events and with tips on how to observe them. This title also provides hints on using your personal computer and Internet-based as aids for planning an observing session. All tables of data have been updated to show data spanning from the year 2012 to 2024, with some tables showing up to 2025.

This book has been favorably reviewed by us and others, and is justifiably among the top selling amateur astronomy titles at Company Seven. You may wish to contact Company Seven for a bit more advice about the latest hardware to help one star-hop across the sky (including: a planisphere, a red LED flashlight to read the charts at night, and the Telrad sight) after reading the advice in this book.

This fourth edition revision replaces the prior third edition titled Turn Left at Orion: A Hundred Night Sky Objects To See In A Small Telescope - And How to Find Them.

Table of Contents:

    How Do You Get to Albireo? ... Page 4
    How to Use This Book ... Page 6
    Using Your Telescope ... Page 14
    Know Your Telescope ... Page 18
    • Basic Telescope Math ... Page 20
    • Accessories ... Page 22
    • The Truth About Cats And Dobs ... Page 23
    The Moon ... Page 24
      Lunar Eclipses Worldwide, 2012-2025 ... Page 41
    The Planets ... Page 42
      Venus ... Page 42
      Mercury ... Page 42-43
      The Sun ... Page 43
      Mars ... Page 44-45
      Jupiter ... Page 46-47
      Saturn ... Page 48-49
    Seasonal Skies: January - March ... Page 50
      About Diffuse Nebulae ... Page 55
      About Open Clusters ... Page 71
    Seasonal Skies: April - June ... Page 90
      About Planetary Nebulae ... Page 99
      About Galaxies ... Page 87
      About Globular Clusters ... Page 97
    Seasonal Skies: July - September ... Page 118
    Seasonal Skies: October - December ... Page 162
    Northern Skies: ... Page 184
    Southern Skies: ... Page 1208
    Where Do You Go From Here? ... Page 242
    Behind The Eyepiece ... Page 244
    Acknowledgments ... Page 245
    Tables ... Page 2246
    Index ... Page 252
    What, Where, and When To Observe ... Page 256
    Finding Geostationary Satellites ... Page 256

The Authors: Guy Consolmagno is a Jesuit Brother at the Specola Vaticana (Vatican Observatory). He made contributions using a 3.5 inch aperture Catadioptric telescope. While Dan M. Davis is a Professor of Geophysics in the Department of Earth and Space Sciences at the State University of New York at Stony Brook. His research there concerns the formation of mountain belts on Earth. Most of his observations for this book were done using a 2.5 inch refracting telescope.

Price $29.00 (U.S.D.); the book weighs about 2 lbs so with packing please add $8.00 for domestic or $18.00 for international postage.


Contents Copyright 1994-2011 Company Seven All Rights Reserved