2017 March 27 Sun

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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註冊時間: 週日 28 10月, 2007 08:50
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2017 March 27 Sun

文章 PTS » 週一 27 3月, 2017 11:38

A very active group, AR12644, appears on the east side, with strong flares and filaments.
Near the west side, a small region seems to become active with bright flare and filament.
AR12643 is crossing the meridian but has subsided a bit showing only plages.


Observation has to stop after just 30 minutes as clouds come from the south.


Telescope: AP Starfire EDT 155 mm f/9.
stopped to 50 mm for disc images, with 4X telecentric lens (f/36) for closeups
filter: Solar Spectrum SO1.5/0.3A with CERF prefilter
Camera: Imperx 4M15
North is up, and east to the left.
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Eddy So
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註冊時間: 週四 04 12月, 2008 22:35
來自: 中男海

文章 Eddy So » 週二 28 3月, 2017 00:05

[Good Job]

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