2022 January 19 Sun - solar surface in Ca-K, with AR12927, AR12928, AR12929, AR12930, AR12932 and AR12933.
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AR12927 is located at (S20W53). 1 sunspot with penumbra is visible, embedded in extensive web of plages.
AR12928 is located at (S20W84). Nothing is visible.
AR12929 is located at (N07W58). The leading and following sunspots, with penumbrae, are visible. Bright plages are observed between the sunspots.
AR12930 is located at (N21W59). The leading and following sunspots, with penumbrae, are visible. 2 smaller sunspots in between are observed. Bright patches of plages are visible.
AR12932 is located at (N32E20). Only 1 sunspot is visible, embedded in bright plages.
AR12933 is located at (S22E22). 7 of the sunspots are visible. Bright plages and the smaller sunspots are in the following end. A flare is observed to come from the split umbra of the leading sunspot.
Sunspot count: group=5, sunspot=23, R=73
Telescope: Sharpstar AL-80 II, 8 cm f/6.25 APO refractor
Camera : ASI1600MM Pro, not cooled.
focal length : 500 mm f/6.25
filter: Lunt Ca-K Module B1200
approximately north is up, east to the left.
2022 January 19 Sun - solar surface in Ca-K, with AR12927, AR12928, AR12929, AR12930, AR12932 and AR12933.
2022 January 19 Sun - solar surface in Ca-K, with AR12927, AR12928, AR12929, AR12930, AR12932 and AR12933.
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Re: 2022 January 19 Sun - solar surface in Ca-K, with AR12927, AR12928, AR12929, AR12930, AR12932 and AR12933.
Images of AR12927 and AR12933
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Re: 2022 January 19 Sun - solar surface in Ca-K, with AR12927, AR12928, AR12929, AR12930, AR12932 and AR12933.
Images of AR12929 and AR12930
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Re: 2022 January 19 Sun - solar surface in Ca-K, with AR12927, AR12928, AR12929, AR12930, AR12932 and AR12933.
Images of AR12930
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Re: 2022 January 19 Sun - solar surface in Ca-K, with AR12927, AR12928, AR12929, AR12930, AR12932 and AR12933.
Images of AR12932
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- cak-AR12932-104237.jpg (197.9 KiB) 已瀏覽 292 次
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