Left at Orion: A Hundred Night Sky Objects to See in a Small Telescope - and How to Find Them

Turn Left at Orion: A Hundred Night Sky Objects to See in a Small Telescope – and How to Find Them


A superb guidebook described in Bookwatch as ‘the home astronomer’s “bible”‘, Turn Left at Orion provides all the information beginning amateur astronomers need to observe the Moon, the planets and a whole host of celestial objects. Large format diagrams show these objects exactly as they appear in a small telescope and for each object there is information on the current state of our astronomical knowledge. Revised and updated, this new edition contains a chapter with ten new spreads describi…

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The best christmas gift ever…(r/pics)

Things you’ll want: This book:…

Teflon pads as it is likely the pads on your dob suck and will make moving it suck as well.

A high field of view set of optics. I recommend any of the following (I have an 8″ dob, you want a good wide-angle eye piece as it makes viewing a pleasure. Magnification is far from all important, esp. with a small telescope). –… (Baader planetarium) – When picking out eye pieces, consider the magnification you’ll get with your telescope (equations found online), the eye relief (bigger tends to be easier to use, basically how far your eye needs to be from the lens to be in focus), and the field of view (just how much of the sky you’ll see).

You need to collomate your telescope. Basically, your telescope’s mirror is likely very off center. A dobsonian like what you have is two mirrors, the main mirror (the big one), and the little post mirror that reflects light off the main mirror into your eye piece. You need a laser collomator that will shine a light from the eye piece into the telescope. If your telescope was properly collomated, the laser would bounce off of the post mirror, hit the dead center of the main mirror, reflect back onto the post mirror, and back into the collomator. Look online for more information.

Lastly, you probably want a Telrad. It makes pointing your telescope very, very simple, and almost eliminates the need to use a finder scope.… (you don’t need any accessories for this. Its wonderful).

Happy stargazing!

Edit: feel the need to qualify why I suggest Teflon pads. your telescope moves around on two axises, up and down, and left and right. Unlike a “conventional” refractor telescope (the ones that we think of as a good “my first telescope”), a lot of weight is placed on those bottom pads. If you replace the pads that came with your telescope’s base with teflon pads, it will make it a lot easier to move it along that particular axis, asthere is less friction.

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Book Author

Guy Consolmagno

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Cambridge University Press

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Turn Left at Orion: A Hundred Night Sky Objects to See in a Small Telescope – and How to Find Them

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The best christmas gift ever…

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