2018 May 3 Sun - prominences on SEE solar limb
While there solar surface looks like featureless, a few filaments and a small flare show up.
On the solar limb, prominences appear on the NNE, SEE and NEE limb.
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.
2018 May 3 Sun - prominences on SEE solar limb
2018 May 3 Sun - prominences on SEE solar limb
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- prominence-02_42_18Z.jpg (63.75 KiB) 已瀏覽 298 次
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- prom-SEE-02_55_33Z_cr.jpg (28.39 KiB) 已瀏覽 298 次
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- prom-SEE-03_06_30Z_cr.jpg (28.77 KiB) 已瀏覽 298 次
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- prom-SEE-03_17_45Z_cr.jpg (27.17 KiB) 已瀏覽 298 次
Re: 2018 May 3 Sun - prominences on SEE solar limb
more images
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- prom-SEE-03_18_07Z_cr.jpg (27.77 KiB) 已瀏覽 297 次
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- prom-SEE-03_23_54Z_cr.jpg (28.72 KiB) 已瀏覽 297 次
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- prom-SEE-03_24_22Z_cr.jpg (28.61 KiB) 已瀏覽 297 次
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- prom-SEE-03_27_40Z_cr.jpg (27.44 KiB) 已瀏覽 297 次
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- prom-SEE-03_28_11Z_cr.jpg (26.41 KiB) 已瀏覽 297 次
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- prom-SEE-03_28_34Z_cr.jpg (27.55 KiB) 已瀏覽 297 次
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- prom-SEE-03_31_37Z_cr.jpg (27.69 KiB) 已瀏覽 297 次
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