2023 January 29 Sun - Solar surface in Ca-K, with AR13196, AR13197, AR13198, AR13199, AR13200, AR13201, AR13203, AR13204, AR13205 and possible AR1320a.
AR13196 is located at (N17W85). No sunspot is observed, leaving just some plages.
AR13197 appears at (N20W74). No sunspot is observed, leaving just some plages.
AR13198, appears at (N26W64). 1 sunspot with penumbra, and embedded in plages, is observed.
AR13199, appears at (N16W51). 1 sunspot with penumbra, and embedded in plages, is observed
AR13200, appears at (N21W16). About 5 faint sunspots, embedded in plages, are observed. These sunspots may disappear soon.
AR13201 appears at (N23E03). 1 sunspot with full penumbra and surrounded by plages, is observed.
AR13203 appears at (N17W11). No sunspot is observed, leaving just some plages.
AR13204 is located at (N24W34). At least 10 sunspots are observed, all embedded in plages.
AR13205 is located at (S24W37). 4 sunspots are observed, all embedded in plages where flares are also observed.
A new AR, possibly AR1320a is located at (S23E80). 1 sunspot, embedded in plages, is observed.
Sunspot count: group=7, sunspot=23, R=93
Telescope:
For close-up :Takahashi FSQ106 Quadruplet refractor.
Focal length : 530 mm f/5, with 4X barlow lens
For whole-disc: Sharpstar AL80 II refractor, ED Triplet
focal length : 500 mm f/6.25
Camera : ASI1600MM Pro, cooled to -18.0C
Filters: Lunt Ca-K Module B1200.
approximately north is up, east to the left.
2023 January 29 Sun - Solar surface in Ca-K, with AR13196, AR13197, AR13198, AR13199, AR13200, AR13201, AR13203, AR13204
2023 January 29 Sun - Solar surface in Ca-K, with AR13196, AR13197, AR13198, AR13199, AR13200, AR13201, AR13203, AR13204
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Re: 2023 January 29 Sun - Solar surface in Ca-K, with AR13196, AR13197, AR13198, AR13199, AR13200, AR13201, AR13203, AR1
Images of AR13198 and AR13199
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- cak-AR13198-199-113602.jpg (580.46 KiB) 已瀏覽 392 次
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Re: 2023 January 29 Sun - Solar surface in Ca-K, with AR13196, AR13197, AR13198, AR13199, AR13200, AR13201, AR13203, AR1
Images of AR13200 and AR13203
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- cak-AR13200-203-113520.jpg (609.73 KiB) 已瀏覽 392 次
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Re: 2023 January 29 Sun - Solar surface in Ca-K, with AR13196, AR13197, AR13198, AR13199, AR13200, AR13201, AR13203, AR1
Images of AR13201
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- cak-AR13201-113458.jpg (590.01 KiB) 已瀏覽 392 次
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Re: 2023 January 29 Sun - Solar surface in Ca-K, with AR13196, AR13197, AR13198, AR13199, AR13200, AR13201, AR13203, AR1
Images of AR13204
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- cak-AR13204-113540.jpg (567.56 KiB) 已瀏覽 392 次
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Re: 2023 January 29 Sun - Solar surface in Ca-K, with AR13196, AR13197, AR13198, AR13199, AR13200, AR13201, AR13203, AR1
Images of AR13205
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- cak-AR13205-113648.jpg (591.71 KiB) 已瀏覽 392 次
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Re: 2023 January 29 Sun - Solar surface in Ca-K, with AR13196, AR13197, AR13198, AR13199, AR13200, AR13201, AR13203, AR1
Images of possible AR1320a
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- cak-AR1320a-112404.jpg (546.62 KiB) 已瀏覽 392 次
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