Ha sun 22nd May

[Maurice]

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

[John W (John Wilkinson)]

A lot of detail in that SHG image Maurice - esp. the filaments.
Well recorded.
Regards, John W.

[Merlin66 (Ken)]

Maurice,
Your SHG images are excellent! Well done mate.
Ken

[Dave882 (David)]

That filaprom is amazing and great detail overall!

[Merlin66 (Ken)]

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