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Greg Marshall's Blog – April 2012 Archive (2)

ELF Panel Tests

As promised, here are the results of testing my ELF panel, an electroluminescent panel designed specifically for making "lens cap" type flats. That is, by placing the panel directly in front of the telescope. This technique does not provide the highest possible accuracy, but when done properly it works quite well and has the distinct advantage that you can do it in the middle of a shooting session without bothering anyone. ELF is designed to fit snugly around the end of your scope so that…

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Added by Greg Marshall on April 26, 2012 at 11:51am — 1 Comment

New Astronomy Products from Wa'chur'ed Observatory

Since I retired from a career in designing electronic products (mostly related to imaging), I've often had to rely on the skills learned over the years (and learn some new ones) to solve problems that came up in astronomy. Thinking that my friends in astronomy and astrophotography might benefit from the solutions I developed (and having little else to do), I decided to make some of these solutions available as real products. My intent is not to make a big business from this and it's not…

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Added by Greg Marshall on April 5, 2012 at 5:52pm — 2 Comments

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