I finally got around to installing a mirror cooling fan on my 8″ f/6 Dobsonian telescope. Its a project that I’ve been putting off (for no good reason) for quite sometime. I had some time off over the Christmas break so I thought I’d finally give it a go. So the first question would be [...]
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Weather Conditions Temperature -4C, Windchill -11C, Humidity 68%, Wind SW 24 kph, Sky was clear, seeing was less than average, transparency was less than average. Objects Observed Jupiter Observing equipment: 8″ Dobsonian with 14mm Meade EP giving approximately 85x. Seeing was not good enough for higher magnifications. In the early evening, through periods of intermittent [...]
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