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Old 22-05-2024, 08:33 PM
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Maurice
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Ha sun 22nd May

Hi


Attached is an image of the sun taken on the 22nd May at Ha wavelength.
Taken through a 100mm ED f/9 telescope + spectroheliograph + ASI 183MM camera.


Best 6 frames of 20 selected and stacked with AutoStakkert3!
Deconvolution in Astrosurface.


Compressed and reduced version attached.
Better one here:


https://flic.kr/p/2pSBgn2


cheers
Maurice
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Old 23-05-2024, 08:20 AM
John W (John Wilkinson)
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A lot of detail in that SHG image Maurice - esp. the filaments.
Well recorded.
Regards, John W.
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Old 24-05-2024, 08:40 AM
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Merlin66 (Ken)
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Maurice,
Your SHG images are excellent! Well done mate.
Ken
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Old 24-05-2024, 08:58 AM
Dave882 (David)
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That filaprom is amazing and great detail overall!
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Old 24-05-2024, 12:57 PM
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Merlin66 (Ken)
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For the members who are not familiar with the spectroheliograph (SHG) - it's basically a hi resolution spectroscope fitted to a telescope.
It has the potential (as can be seen here) to image the Sun in any wavelength - Cak, Mg, Na, Ha etc. etc.
Much more flexible than traditional commercial solar filters, Oh and much cheaper!
Ken
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