2020 November 22 Sun - solar surface in Ca-K, with AR12782, AR12783 and AR12784
AR12782 is very close to the SW limb. Flare and filaments are still visible.
AR12783 is very active, with flares and filaments from both the leading and following groups. A Class-H sunspot is at the centre between the leading and following groups.
AR12784 suddenly flare up yesterday with bright flares and at least 3 sunspots (Class-C).
Sunspot count: group=2, sunspot=4, R=24
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 ms
approximately north is up, east to the left
2020 November 22 Sun - solar surface in Ca-K, with AR12782, AR12783 and AR12784
2020 November 22 Sun - solar surface in Ca-K, with AR12782, AR12783 and AR12784
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Re: 2020 November 22 Sun - solar surface in Ca-K, with AR12782, AR12783 and AR12784
Images of AR12783
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Re: 2020 November 22 Sun - solar surface in Ca-K, with AR12782, AR12783 and AR12784
Images of AR12784
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