2018 May 6 Sun - AR12708

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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2018 May 6 Sun - AR12708

文章 PTS » 週一 07 5月, 2018 10:53

2018 May 6 Sun - AR12708

AR12708 first appeared near the E limb as a small flare on May 3, and its activity intensified on May 3, with bright flares.
Observation was severely interrupted by clouds, and I could capture just a few images.

As the slow motion is still unavailable, I have to continue with push or pull the telescope to put the image in field. This task becomes very tedious when working on close-up imaging, and I have to use very short exposures (thus high gain) to avoid blur images.

Telescope: AP Starfire EDT 155 mm f/9.
stopped to 80 mm (f/17.5) for disc images, with 4X telecentric lens (f/36) for closeups
filter: Solar Spectrum SO1.5/0.3A with CERF prefilter
Camera: ASI1600MM, 4656X3520 pixels (3.8 micron), binned 2
North is up, east is to the left.
附加檔案
white-03_26_39Z.jpg
Hope you can see the tiny sunspots
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Eddy So
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註冊時間: 週四 04 12月, 2008 22:35
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Re: 2018 May 6 Sun - AR12708

文章 Eddy So » 週二 08 5月, 2018 18:38

[Good Job]

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