2021 March 01 Sun - solar surface in H-alpha, with AR12803, AR12804. AR12805 and possible AR12806
Most images are taken through clouds.
AR12803 is less active today. A few patches of plages are visible. They are surrounded by filaments.
AR12804 and AR12805 are not visible in H-alpha.
A small active group appears at (S31E25). A sunspot is visible. A patch of bright plages is on the following end.
sunspot count: group=1, sunspot=1, R=11
Telescope: Lunt LS50T with B1200 blocking filter, and 2X barlow
Camera : ASI174MM
approximately north is up, east to the left
2021 March 01 Sun - solar surface in H-alpha, with AR12803, AR12804. AR12805 and possible AR12806
2021 March 01 Sun - solar surface in H-alpha, with AR12803, AR12804. AR12805 and possible AR12806
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最後由 PTS 於 週一 01 3月, 2021 17:08 編輯，總共編輯了 1 次。
Re: 2021 March 01 Sun - solar surface in H-alpha, with AR12803, AR12804. AR12805 and possible AR12806
Images of possible AR12806
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- ha-AR12806-112959.png (147.19 KiB) 已瀏覽 98 次
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- ha-AR12806-113001.png (146.9 KiB) 已瀏覽 98 次
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- ha-AR12806-113325.png (235.17 KiB) 已瀏覽 98 次
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- ha-AR12806-113339.png (304.74 KiB) 已瀏覽 98 次
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