Telescope, CCD and Eyepiece Calculator - Deep Sky Watch
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Telescope, CCD and Eyepiece Calculator - Deep Sky Watch
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Telescope, CCD and Eyepiece Calculator - Deep Sky Watch
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Amazon.com : Astromania 1.25" Eyepiece and Filter Kit Deluxe Version - Truly an Instant observing kit, and Represents an Incredible Value Over Buying Even a Few of The Items Individually : Electronics
Brian Frank on Twitter: "With two objects... can have one in focus or other, but not both. Unless you drive aperture down, which makes it dim. https://t.co/AIh2AdZi2L https://t.co/STTf1bvuzB" / Twitter
Mike 🔭 Rector on Twitter: "Found a nice calculator to calculate FOV of your camera with and without a focal reducer: https://t.co/KxUdGb11nj should be able to fit the Pleiades in my FOV
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