DULUTH — Did you receive a telescope as a holiday gift? Even if it was years ago and that instrument is now hidden away in an attic, consider taking it out again. There are all sorts of wonderful ...
I usually write about telescope dos and don'ts around the holiday season, but I thought I'd write about it now for a change. Here are the most important rules to remember. 1. Never, a million times ...
The problem in using a normal solar filter with a reflector is that, because the telescope’s secondary mirror and support are at the front end of the telescope, they interfere with the light and ...
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