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Re-Starting Astrophotography After 1 Year Off

18:29

ZWO Fan Vibration and Elongated Stars - Analysis and Measurement

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Considering Full Width at Half Maximum (FWHM)

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Shot Down! Azerbaijan Airlines E-190 25 Dec 24

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William Optics Cat 91 WIFD: Does it measure up?

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Celestron SCT Back Focus Study at Native and Reduced Focal Lengths

22:21

Using Stellarium "Markers" to Set Up an Off-Axis Guider

14:44

NASA is getting a new Space Station sooner than expected!