Telescope Basics

[sherlew99]

Sky & Telescope



Dealing With Dew

By: Alan MacRobert | July 28, 2006



You can easily make your own. A piece of tough 5/8-inch (16-mm) foam rubber — the kind sold in sporting-goods stores to go under sleeping bags — makes a dew shield that's cheap, durable, and very lightweight.

Click here for more.

[pickinduck]

I learned a few thing from this like the observing umbrella and that a lot of chill comes from space.

[sherlew99]

Yes, I learned quite a bit from this article as well.

[sherlew99]

This might be helpful for those with with telescopes that need collimation adjustments.

Gary Seronik

A Place for Stargazing Enthusiasts




A Beginner’s Guide to Collimation


I’ve been building and using telescopes for more than three decades and I’ll share with you a secret: collimating a Newtonian reflector is easy.

Click here for the rest of the article.

[pickinduck]

I haven't done collmation yet but I'm starting to learn about it.
There are both short & long Cheshire collimators. It's looking like the long ones are also meant to be used with refractor telescopes also.

[pickinduck]