2018 January 13 Sun - AR12694 and AR12695

各類觀測太陽的儀器介紹及太陽攝影 Solarmax
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2018 January 13 Sun - AR12694 and AR12695

文章 PTS » 週六 13 1月, 2018 22:12

2018 January 13 Sun - AR12694 and AR12695

Seeing is bad with strong winds. My observation is severely interrupted by the wind, bad seeing and, worst of all, bad contact of the PC Card that connects the notebook to the Imperx camera.
AR12694 is nearly not recognised. AR12695 is just a small patch of plages.
Near the E limb, the prominence has all "landed" and form a long filament. Near the centre, another filament is observed.

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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Eddy So
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Re: 2018 January 13 Sun - AR12694 and AR12695

文章 Eddy So » 週二 16 1月, 2018 19:09

[Good Job]

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