Sunday, November 8, 2009

Review: National Geographic Backyard Guide to the Night Sky

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This summer I received a copy of a new astronomy book to review: National Geographic's Backyard Guide to the Night Sky by Howard Schneider (ISBN 978-1-4262-0281-0, trade paper version, list price US $21.95 / Can $26.00).

First Impressions
  • My copy had a substantial heft and feel as well as a quality glossy cover. It is everything I would expect from National Geographic.
  • It's well organized with margin notes that include useful URLs, side bars and boxes with sky facts and lore.
  • The compact size and binding don't facilitate using the seasonal sky charts in the field. I'd be concerned about the binding not really being intended to fold flat.  On the plus side, the portability makes it far more likely to be used than sit on a shelf.
  • The subject matter covered goes well beyond the role of a beginner stargazing book. The bool provides mythological, scientific, and historical back stories.  It also touches on the relationship between the science of astronomy and the nonsense of astrology.  A number of advanced topics like star formation are also introdced.
  • The information for the beginning stargazer is solid.
Layout

The well structured content provides multiple views and perspectives on virtually every page. The main text is organized into Chapters and Features which I've listed below.



Chapters
  1. Sky Watching Basics
  2. The Atmosphere
  3. The Sun
  4. The Moon
  5. The Planets
  6. Stars and Constellations
  7. Four Seasons of the Sky
  8. Constellations
  9. Comets and Meteors
  10. Deep Space






Features
  1. What am I looking at?
  2. Five Coolest Things in the Sky
  3. All about Eclipses ♦ Solar Eclipses ♦ Lunar Eclipses
  4. Identified Flying Objects ♦ Satellites in Orbit ♦ Space Junk
  5. Photographing the Night Sky ♦ Equipment ♦ Simple Techniques
  6. Five Key Star Patterns ♦ Winter and Spring ♦ Summer and Autumn
  7. Southern Skies
  8. A Guide to Telescopes ♦ Types of Telescopes ♦ Using Your Telescope


Digging Deeper

The book really isn't intended to be read cover to cover as the structure is more suited for reference purposes.  However, there are a couple of places where the reader should look at the material in order such as the introduction and first chapter on Sky Watching Basics.  One of the most fun things to do with beginners on a hike is to find a dry field (or take ground cover) and lay out looking up while your eyes adapt to the dark!

The text is well written with excellent photos and graphics. A couple of the artist impressions, like the view of Saturn and it's rings from Pluto, are fanciful but this kind of artistic license is not unexpected or uncommon.

The feature on space junk, satellites, and IFOs is welcome in a introductory guide as they are often overlooked.  Also the advice on telescopes is solid.

The skies of the southern hemisphere are underrepresented.  Southern skies contain some magnificent wonders including two of the closest galaxies. The feature helps but I would definitely want more if I lived there or was planning a trip.

A few more diagrams in some places would help. I recall reading  that globular clusters were located toward the center of our galaxy. I took a momentary double check as I'm used to thinking of them being in the galactic halo (surrounding the central bulge of our galaxy). Both statements are true.

The sections on star lore are entertaining and useful but can be confusing; especially those involving the relationships and relatives of Poseidon that give the back story to several of the northern constellations. That's not the writers fault but rather stems from the fact that the family trees of the classical Greek Gods far more resemble hedgerows of Gordian Knots than anything tree-like.

The science facts are well researched with few errors.  My errata follows.
  • I noticed a typo in the distance to the Whirlpool galaxy (M51).  Galaxies are almost always millions of light years distant.  This led me to find and correct a contradiction in the Wikipedia article on M51.
  • The back story on the discovery of planets at one point mentions that the orbit and location of Uranus was predicted. Elsewhere the book correctly points out that this was Neptune.
  • The distance to Betelgeuse used in the book was current until 2008 when new measurements revised the distance and size of this red super giant upward by almost 50%. 
  • The sections on constellations are well conceived but suffered from small annoyances. The largest was that some of the more interesting stars/objects, such as Stephan's Quintet, discussed in the section weren't always on the constellation charts.  A smaller annoyance was switching between the use of Greek letter names and symbols in the text and charts.  A beginner may know alpha (α), and beta (β), but will certainly have troubles much beyond that.

I do hope that National Geographic publishes errata and has another editorial pass before any second edition.  And while I'm at it, a fold flat edition or an accompanying set of fold flat charts would be a bonus.

Summary

The Backyard Guide to the Night Sky is an excellent addition or starter for the library of anyone interested in astronomy or stargazing.

While there are books that do a better job focusing just on stargazing, the  Backyard Guide to the Night Sky goes beyond the basics of stargazing and provides a wealth of information to foster the interest of any budding astronomer.

In practical terms, the book is an excellent general reference for stargazers and those interested in astronomy. And while a second more accurate set of charts (or a goto telescope) will eventually be needed to find some of the more interesting objects described, the beginner won't need these immediately.

In addition to the firm cover version, the book is also available in hardcover and deluxe versions. Try any of National Geographic, Chapters Indigo, or Amazon.





All images in this article provided by National Geographic and used with permission. Images may not be used without the written permission of National Geographic and subject to specific restrictions.

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Saturday, October 31, 2009

Carnival Quintette 122, 123, 124, 125 and 126

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Here are five, count em, five Carnivals (sorry I've been busy folks) ...

So are any of you named Stephan or come from a star in Pegasus?

What would you all look like from HD 92083b?

Saturday, October 17, 2009

FREE Spooky Star Party - OSC - Friday, October 30th

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Peter McMahon of Discovery Channel will host a Halloween flavoured star party coming up at the OSC. Costumes, scary stories, and telescopes. Oh My! Click on the image for more information.

h/t to Ray Khan

Thursday, October 1, 2009

Star Symposium @ York University - Saturday October 3, 2009

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STAR Symposium is a combined effort between the Department of Physics and Astronomy, the York University Astronomical Observatory and the York University Astronomy Club to celebrate York’s 50th anniversary and the International Year of Astronomy.  Click on the poster for more information!

Interesting speakers and events are planned for the day.  A tour of the York University Observatories will be given. 

Ivan Semeniuk, a journalist from the University of Toronto, and Bob McDonald, the host of CBC Radio’s “Quirks and Quarks” available to speak for us during the evening.

h/t to Ray Khan

Sunday, September 20, 2009

Pirates on the Grand!

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A quick report on our recent Pirate Venturer canoe trip.  See here for more info.

Carnival of Space Hat Trick #119-121

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Tuesday, September 15, 2009

3 Star Parties!

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h/t to Ray Khan

Sunday, September 13, 2009

433rd 2009-2010 registration and information updates

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Please checkout our main web site for registration and event updates for the 2009-2010 season!

More updates will be coming throughout the season.

Monday, August 31, 2009

Carnival of Space #118 @ Cumbrian Sky

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This week's Carnival of Space issue #118 has moved back across the pond to Kendal UK.  Hosted at Cumbrian Sky, this week's carnival is full of great articles.  Stu has contributed articles to past carnivals but I was surprised to discover that this is his first time as host.  Go Stu!

Friday, August 28, 2009

What's up @ Gordon's Park Manitoulin

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Bookmark this article if you want to know what's up at Gordon's Park.



Check out the following:
  • Clear Sky Chart for your astronomy and observing weather forecast and a link to the Camp website - for more see Weather forecasts for Stargazers
  • Heavens Above for observing forecasts and charts covering the International Space Station, Satellites, Planets, Comets, and Iridium flares as seen from the camp
  • Google Maps for a look at the camp

Monday, August 24, 2009

Petition: designate David Dunlap Observatory lands a National Historic Site

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Byron Wilfert, the Member of Parliament representing Richmond Hill, is sponsoring a petition "Protect the David Dunlap Observatory Lands" to get the David Dunlap Observatory (DDO) lands designated as a National Historic Site. This is the beginning of a process that will hopefully lead to designation of the lands. The lands contain more than the Observatory and are also of historical and environmental interest.

There are no particular restrictions on who can sign the petition such as age or location; however, the more people from Richmond Hill and Canada sign the better.

Click here for the petition itself
The petition is hosted by petitiononline.com.

Privacy note: All of the information you provide will be public except for your email address which can be set as (1) private - the default, (2) available to the Petition Author, and (3) public. I'd recommend either option (2) or (1). At a minimum you must provide your name and email to sign the petition. All other information is optional.

While I didn't provide comments or a phone number, I did give my address as my city and I made my email address available to the petition author.

A confirmation notification will be sent to the email address you provide.

For more information on the DDO and conservation efforts:

Carnival of Space 117 @ Simostronomy

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A new Carnival of Space #117 is up over at Simostronomy. Lot's of great articles including remembering the X-15 the first reusable space ship, texting aliens, Analemmas and the Equation of Time, and just what alien life might be like are some of the topics covered.

Saturday, August 22, 2009

Antipodean Astronomical Weather Forecasts and more

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Astronomers in North America have been fortunate to have Clear Sky Charts for weather forecasts available.  While astronomers elsewhere may have felt they've been left out there are a couple of services for them too.

Check out Ian Musgrave's at Astroblog's report about two clear sky like services called Skippy Sky and 7 timer (pronounced tri-timer) that provide weather forecasts for astronomers down under and beyond.
  • Skippy Sky provides visual representations of forecasts based on large regions including Austrailia, New Zealand, Europe, North America, the Canary Islands, and Cerro Tololo (Chile). 
  • 7timer provides parameterized Astroweather Panels or Apanels for many locations around the globe by name or by latitude and longitude.  Unlike Clear Sky Charts these are generated on the fly.
Both are based on a global numerical weather model known as GFS or Global Forescast System run by the  NOAA (National Oceanic and Atmosphere Administration) NCEP (National Centers for Environmental Prediction) program.  Incidentally, GFS data drives a number of weather forecasting services like Accuweather and The Weather Channel among others.

Clear Sky Charts use the more granular data available from Environment Canada and can provide data for more specific locations in the geography where they overlap.