2020 Nov 21 Sun - possible new AR12784

各類觀測太陽的儀器介紹及太陽攝影 Solarmax
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PTS
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2020 Nov 21 Sun - possible new AR12784

文章 PTS » 週六 21 11月, 2020 10:35

2020 Nov 21 Sun - possible new AR12784

Apart from AR12782, which is close to the SW limb, and AR12783, which is very active in the past few days, the relatively quiet patch of plages/filaments near the NE limb (now located at (N32E42) suddenly flare up early today. A few tiny white-light flares show up, and eventually a sunpot appears.
Pay attention to this region.
Sunspot count: group=2, sunspot=2, R=22

H-alpha image from Mauna Loa taken at 02:00 UTC
Magnetogram and white-light images from SDO, taken at 01:40 UTC.
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Eddy So
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Re: 2020 Nov 21 Sun - possible new AR12784

文章 Eddy So » 週六 21 11月, 2020 19:47

[Good Job]

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