optics
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How Deep-Sky Catalogs Work
Meet the Veil Nebula, one of my favorite deep-sky objects. The Veil is one of the more common star party requests I get from more experienced participants. Unfortunately, it requires a very powerful telescope. My 11-inch Schmidt-Cassegrain — pretty advanced,…
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Improved Reflecting Telescopes
Can you tell the difference between these two telescopes? I’ll give you a hint. They are both reflectors. I know I wrote before that you’ll normally find the eyepiece (the little bit tacked onto the telescope tube) on the side with…
