ZWO Fan Vibration and Elongated Stars - Analysis and Measurement

Описание к видео ZWO Fan Vibration and Elongated Stars - Analysis and Measurement

I took your advice and checked out the vibration produced by the ZWO ASI194MC fan and the possibility that is responsible for the elongated stars I was seeing. When I'm not doing astrophotography during the night, I'm doing vibration measurement and analysis during the day. So I took a small accelerometer and measured the vibration. Wow! That's a lot of vibration! Sure looks like fan vibration was my problem. Thank goodness it was not a broken primary mirror. Whew!

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