2020 January 27 Sun - possible AR12758 in H-alpha
The active region near the SE limb produces bright flare this morning, and a tiny sunspot appears. This may become AR12758.
Magnetic reversal is shown. As this region is at high latitude (S30), this belongs to the 25th solar cycle.
Telescope: Lunt LS35T with B600 blocking filter
Camera : ASI174MM
exposure: 0.4 ms
Images taken from 03:31 UTC to 03:58 UTC
cropped 320x320
approximately south is up, east to the left
2020 January 27 Sun - possible AR12758 in H-alpha
2020 January 27 Sun - possible AR12758 in H-alpha
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- H-disc-112504.png (95.01 KiB) 已瀏覽 283 次
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- flare-SE-113101.jpg (60.99 KiB) 已瀏覽 283 次
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- flare-SE-113437.jpg (51.98 KiB) 已瀏覽 283 次
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- flare-SE-114151.jpg (52.82 KiB) 已瀏覽 283 次
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- flare-SE-115433.jpg (50.59 KiB) 已瀏覽 283 次
Re: 2020 January 27 Sun - possible AR12758 in H-alpha
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- flare-SE-115825.jpg (44.58 KiB) 已瀏覽 282 次
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