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Solar Projection Funnel


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About this observation
Dr Alan B Thomas
Time of observation
17/05/2016 - 15:57
Solar Projection Funnel
Observing location
My home
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Here is an image of my homemade solar projection funnel mated to a Skywatcher 200mm Dob stopped down to 50mm.


Pete Sherman's picture

I like that. How do you make one of them? Would be very handy for the Transit of Mercury in November.

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