2020 December 31 Sun - solar surface in Ca-K, with AR12794 and AR12795
A large Class-J sunspot is the main feature in AR12794. A few flares are visible.
AR12795 is a Class-E bipolar group, with bright flares between the leading and following sunspots. Both the leading and following sunspots are splitting up.
Near the SE limb, a small flare region is visible
sunspot count: group=2, sunspot=7, R=27
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
approximately north is up, east to the left
2020 December 31 Sun - solar surface in Ca-K, with AR12794 and AR12795
2020 December 31 Sun - solar surface in Ca-K, with AR12794 and AR12795
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Re: 2020 December 31 Sun - solar surface in Ca-K, with AR12794 and AR12795
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