2020 November 24 Sun - solar surface in Ca-K, with AR12783, AR12784, AR12785 and AR12786
AR12783 is very active. While the leading group is relatively quiet with filaments and plages, the following group has been very active with bright flares for the last 2 days, producing several small sunspots. 4 sunspots are visible.
AR12784 remains active with flares and filaments, but activity is lowering.
AR12785 produces bright flares, mainly in the following group. The large sunspot dominates the leading group.
AR12786 produces flares and jets, some go off-disc as small prominences. The sunspot is huge.
sunspot count: group=3, sunspot=6, R=36
Telescope: Sharpstar AL-80 II, 8 cm f/6.25 APO refractor
Camera : ASI174MM
focal length : 500 mm f/6.25
filter: Lunt Ca-K Module B1200
exposure: 0.30 - 0.40 ms
approximately north is up, east to the left
2020 November 24 Sun - solar surface in Ca-K, with AR12783, AR12784, AR12785 and AR12786
2020 November 24 Sun - solar surface in Ca-K, with AR12783, AR12784, AR12785 and AR12786
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Re: 2020 November 24 Sun - solar surface in Ca-K, with AR12783, AR12784, AR12785 and AR12786
Images of AR12784
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Re: 2020 November 24 Sun - solar surface in Ca-K, with AR12783, AR12784, AR12785 and AR12786
Images of AR12785 and AR12786
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