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Beginners
Diagonals
Which one, how to pick, does it matter
Messier’s Open Clusters in Urban Skies
Even an 80mm telescope can enjoy these
Orion's 120mm Telescope Setups
Do you like laying on the ground to look through your scope?
Nebulous Categories
A little History and a discussion of Deep Space Phenomena and Scientific Classification By Norm Sperling. Excerpted with permission from his book “What Your Astronomy Textbook Won’t Tell You” copyright (c) 2002
Holiday Astronomical targets for beginners
How to avoid new-telescope frustrations and disappointment
Drift Testing to Determine Your Eyepiece's True Field of View
To calculate an eyepiece's true field of view you need to know the diameter of its field stop, but most manufacturer's don't furnish that specification. Here's how to use the drift test method instead.
Making sense of scope reviews
Ever end up being more confused about a scope decision after you read all the articles than you were before you read them?
The 5 things it has taken me half my life to learn about viewing the sky
Steve Coe is the Vice President of the Saguaro Astronomy Club in Phoenix, Arizona. He has written a book, Deep Sky Observing-The Astronomical Tourist....
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