SHG cak

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highfnum
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SHG cak

Post by highfnum »

home made shg
Capture 2023-02-01T12_27_409cak9uc_shift=0_clahejsm-Dle.jpg
Capture 2023-02-01T12_27_409cak9uc_shift=0_clahejsm-Dle.jpg (134.36 KiB) Viewed 1140 times


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Montana
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Re: SHG cak

Post by Montana »

Fantastic!! :bow :hamster: do you know what is causing the dark lines?

Alexandra


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marktownley
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Re: SHG cak

Post by marktownley »

Very good John!


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Re: SHG cak

Post by Martin_S »

Amazing contrast John.


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Re: SHG cak

Post by Merlin66 »

Alexandra,
The dark lines are large extended snake like filaments visible in CaK.
The current solar activity is giving rise to some exciting images!!!


"Astronomical Spectroscopy - The Final Frontier" - to boldly go where few amateurs have gone before
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"Imaging Sunlight - using a digital spectroheliograph" - Springer
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