2018 January 22 Sun - strong flare from AR12696

各類觀測太陽的儀器介紹及太陽攝影 Solarmax
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註冊時間: 週日 28 10月, 2007 08:50
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2018 January 22 Sun - strong flare from AR12696

文章 PTS » 週一 22 1月, 2018 13:50

2018 January 22 Sun - strong flare from AR12696

While the sky is covered by thick fog/smog, seeing is in general good despite a very poor transparency.
AR12696 has been relatively quiet in the past few days up to about 02:32 UTC this morning when the last batch of my whole disc images are capture before changing my optical setup for clsoe-up. When I start to adjust the focus after adding the 4X telecentric lens, the flare from AR12696 is in full. Observation has to stop at about 03:11 UTC due to another appointment. When I come back after lunch and check the image from Udaipur, India, the flare event is already over.

Telescope: AP Starfire EDT 155 mm f/9.
stopped to 50 mm (f/28) for disc images, with 4X telecentric lens (f/36) for closeups
filter: Solar Spectrum SO1.5/0.3A with CERF prefilter
Camera: Imperx 4M15
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註冊時間: 週日 28 10月, 2007 08:50
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Re: 2018 January 22 Sun - strong flare from AR12696

文章 PTS » 週一 22 1月, 2018 13:51

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PTS
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文章: 5884
註冊時間: 週日 28 10月, 2007 08:50
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Re: 2018 January 22 Sun - strong flare from AR12696

文章 PTS » 週一 22 1月, 2018 13:52

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Eddy So
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Re: 2018 January 22 Sun - strong flare from AR12696

文章 Eddy So » 週一 22 1月, 2018 20:30

[Good Job]

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