2021 April 02 Sun - solar surface in H-alpha, with AR12812
AR12811 has turned to the backside.
AR12812 is located at (N23W66). Plages and filaments are visible.
Several dark filaments are visible near the S limb.
sunspot count: group=0, sunspot=0, R=0
Telescope: Lunt LS50T with B1200 blocking filter, and 2X barlow
Camera : ASI174MM
approximately north is up, east to the left
2021 April 02 Sun - solar surface in H-alpha, with AR12812
2021 April 02 Sun - solar surface in H-alpha, with AR12812
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Re: 2021 April 02 Sun - solar surface in H-alpha, with AR12812
Images of the filaments
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- ha-filament-135131.png (101.45 KiB) 已瀏覽 96 次
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- ha-filament-135522.png (204.93 KiB) 已瀏覽 96 次
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- ha-filament-135608.png (222.5 KiB) 已瀏覽 96 次
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- ha-filament-135947.png (198.71 KiB) 已瀏覽 96 次
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- ha-filament-140249.png (205.64 KiB) 已瀏覽 96 次
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- ha-filament-140524.png (199.65 KiB) 已瀏覽 96 次
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