2021 March 30 Sun - solar surface in H-alpha, with AR12811 and AR12812

各類觀測太陽的儀器介紹及太陽攝影 Solarmax
Coronado PST
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PTS
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2021 March 30 Sun - solar surface in H-alpha, with AR12811 and AR12812

文章 PTS » 週二 30 3月, 2021 14:36

2021 March 30 Sun - solar surface in H-alpha, with AR12811 and AR12812

AR12811 is today located at (N20W50). Plages and filaments are visible.
AR12812 is located at (N22W24). Plages and filaments are visible, but not the sunspots.
Several dark filaments are visible near the SE limb.
sunspot count: group=1, sunspot=2, R=12

Telescope: Lunt LS50T with B1200 blocking filter, and 2X barlow
Camera : ASI174MM
approximately north is up, east to the left
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Eddy So
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Re: 2021 March 30 Sun - solar surface in H-alpha, with AR12811 and AR12812

文章 Eddy So » 週二 30 3月, 2021 21:10

[Good Job]

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