2023 June 03 Sun - Solar surface in Ca-K, with AR13315, AR13316, AR13318, AR13319, AR13320, AR13321, AR13322, AR13323, A

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2023 June 03 Sun - Solar surface in Ca-K, with AR13315, AR13316, AR13318, AR13319, AR13320, AR13321, AR13322, AR13323, AR13324, AR13325 and AR13326.

AR13315 is located at (S17W89). The major part of this AR has turned to the backside, leaving just some plages.
AR13316 is located at (N09W60). No sunspot is observed, leaving just patches of plages..
AR13318, is located at (N24W85). 1 sunspot with penumbra is observed, embedded in plages..
AR13319 is located at (S19W57). Most of the sunspots are observed, embedded in plages where flares are also observed.
AR13320, is located at (N10E19). 2 sunspots are observed, embedded in plages. The leading sunspot comes with penumbra.
AR13321, is located at (S15E26). 1 large sunspot with full penumbra and split umbra is observed, embedded in plages where flares are observed to the east.
AR13322 is located at (N16W80). Most of this AR has turned to the backside, thus no sunspot is observed, leaving just patches of plages.
AR13323, is located at (S07E44). Most of the sunspots are observed, embedded in plages where flares are observed.
AR13324, is located at (N15W13). About 5 sunspots are observed, embedded in plages..
AR13325, is located at (N11W03). About 4 sunspots are observed, embedded in plages where flares are observed.
AR13326 is located at (N25E72). 1 sunspot, with full penumbra and split umbra, is observed, embedded in plages where flares are observed.

Sunspot count: group=8, sunspot=42, R=122

Telescope: Baader Triband C9.25 solar telescope, 235 mm f/10 with Sharpstar AL80 II refractor, ED Triplet. 500 mm f/6.25 for whole-disc
Camera : ASI1600MM Pro, cooled to -4.0C.
Filters: Lunt Ca-K module B1200

approximately north is up, east to the left.

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Images of AR13316

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Images of AR13318 and AR13322

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Images of AR13319

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Images of AR13320

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Images of AR13321

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Images of AR13323

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Images of AR13324

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Images of AR13325

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Images of AR13326

[Eddy So]