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Canon EOS M100
90mm Mak-Cass with solar filter
Prime focus at 40x, 150x
If you have a solar filter for your scope or camera, check out new sunspot AR 2765.
The whiteish "plage" is clearly visible and the sunspot has an "umbra" and "penumbra". The sunspot is approx twice the diameter of the Earth!
2024 EarthSky Fundraiser
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