2022 June 28 Sun - Solar surface in Ca-K, with AR13040, AR13041 and possible AR1304a, AR1304b and AR1304c.

各類觀測太陽的儀器介紹及太陽攝影 Solarmax
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2022 June 28 Sun - Solar surface in Ca-K, with AR13040, AR13041 and possible AR1304a, AR1304b and AR1304c.

文章 PTS » 週二 28 6月, 2022 15:35

2022 June 28 Sun - Solar surface in Ca-K, with AR13040, AR13041 and possible AR1304a, AR1304b and AR1304c.

AR13040 is located at (S13W11). The larger sunspots are observed, embedded in plages. The large sunspot has penumbra and split umbra.
AR13041is located at (N15W69). Several sunspots are observed, all embedded in plages.
Meanwhile, 3 new AR's show up:
Possible AR1304a is located at (N09W05) and comes with 1 sunspots, embedded in plages.
Possible AR1304b is located at (S20E27) and comes with 2 sunspots, embedded in plages.
Possible AR1304c is located at (S13E35) and comes with sunspots embedded in plages
.
Sunspot count: group=5, sunspot=22, R=72

Telescope: Maxvision APO refractor, ED Triplet
Camera : ASI1600MM Pro, not cooled
focal length : 700 mm f/7
Filter: Lunt Ca-K Module B1200.
approximately north is up, east to the left.
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Eddy So
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Re: 2022 June 28 Sun - Solar surface in Ca-K, with AR13040, AR13041 and possible AR1304a, AR1304b and AR1304c.

文章 Eddy So » 週二 28 6月, 2022 23:27

[Good Job]

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