Purely visual at the beginner, didn't open the window nor the window frame... since spaceweather said the sun is spotless these days.
Used a 13mm Nagler, very sharp and great view, two filaments stretched across the solar disc at nearly 1/3 disc length, a nice cluster of prominences can be seen as well... Short but very wide.
Finally can't held myself from imaging using a color webcam which is the only thing I had at this moment. Black white mode does help on focusing but still, I've overexposed it and thus only a small part shows detail.
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