2021 January 19 Sun - solar surface in Ca-K, with AR12796 and AR12797
AR12796 is still active with flares and filaments that are visible in Ca-K. However, the sunspots are gone.
AR12797 is active with flares on the solar limb. The large leading sunspots as well as the tiny following ones are visible. There is a huge filament running southwards.
sunspot count: group=1, sunspot=4, R=14
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
2021 January 19 Sun - solar surface in Ca-K, with AR12796 and AR12797
2021 January 19 Sun - solar surface in Ca-K, with AR12796 and AR12797
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Re: 2021 January 19 Sun - solar surface in Ca-K, with AR12796 and AR12797
Images of AR12797
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- cak-AR12797-095155.jpg (57.22 KiB) 已瀏覽 59 次
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- cak-AR12797-095232.jpg (58.34 KiB) 已瀏覽 59 次
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- cak-AR12797-100256.jpg (46.04 KiB) 已瀏覽 59 次
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