- Capture 2023-02-01T12_27_409cak9uc_shift=0_clahejsm-Dle.jpg (134.36 KiB) Viewed 1145 times
SHG cak
- Montana
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- marktownley
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Re: SHG cak
Very good John!
http://brierleyhillsolar.blogspot.co.uk/
Solar images, a collection of all the most up to date live solar data on the web, imaging & processing tutorials - please take a look!
- Martin_S
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Re: SHG cak
Amazing contrast John.
H alpha : ,Skywatcher 120mm F8 open frame refractor, a tilted 2" 7nm H-alpha filter as a sub energy rejection filter, Baader TZ4 telecentric focal extender, Player One energy rejection filter, Combo Quark Chromosphere, Naked PST etalon for double stacking, ASI74mm camera
- Merlin66
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Re: SHG cak
Alexandra,
The dark lines are large extended snake like filaments visible in CaK.
The current solar activity is giving rise to some exciting images!!!
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
https://groups.io/g/astronomicalspectroscopy
http://astronomicalspectroscopy.com
"Astronomical Spectroscopy for Amateurs" and
"Imaging Sunlight - using a digital spectroheliograph" - Springer
https://groups.io/g/astronomicalspectroscopy
http://astronomicalspectroscopy.com
"Astronomical Spectroscopy for Amateurs" and
"Imaging Sunlight - using a digital spectroheliograph" - Springer