2021 January 28 Sun - solar surface in Ca-K, with AR12797, AR12798 and AR12800

[PTS]

2021 January 28 Sun - solar surface in Ca-K, with AR12797, AR12798 and AR12800

AR12797 is active with flares in Ca-K. The 2 sunspots are now of Class B without penumbra.
AR12798 is less active today. A few flares pop up but all sunspots are gone.
The small active region just west of the meridian, at (N19W20) is very active with bright flares and dark filaments. At least 3 sunspots are visible.
The active region at (N19E10) is also active with bright flares and filaments. No sunspot is visible.
sunspot count: group=2, sunspot=5, R=25

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

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Images of AR12800

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[Eddy So]