Quote:
Originally Posted by Dave882
Some truely exquisite detail Martin. Contrast in those ropey tendrils is amazing. Stars are tiny (must have been pretty good conditions) and yes you’ve managed the dynamic range very well. 3nm filters on a 2600mm should cut through the LP quite well but still gotta nail the processing, which you have. Well done!
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Thanks Dave
Yeh that Antlia 3nm Ha is excellent. Now I can see that Mono and dedicated filters do have the edge over OSC even with minimal data.You certainly can pull out so much more detail.
The tiny stars are not entirely a result of good conditions, although conditions were Ok, it’s more the result of Startools Spatially Variant PSF Deconvolution Module applied during processing.
You apply a Apodization Star mask and then select 10 to 15 sample stars across the entire image based on parameters. The algorithm then attempt to reverse the effects of atmospheric blurring by analysing the stellar profiles ( spread of pixels or point spread function PSF ) of selected stars and reverses its affect. The outcome is a specific Deconvolution applied to the sampled areas or zones of the image at the required amount ( not like other software where it applies a Deconvolution at a constant value across the whole image )
The end result is a sharper detail in main structures and stars become pinpoint rather than halo looking where stars stellar profiles bleed a lot of their pixels into neighbouring areas. You can control the amount of Decon and have good control of the Stars themselves in regards to ringing artefacts etc…
I love it
The better the data the more improved and natural the Decon becomes, nothing artificial there ( AI ) just complex mathematics doing its thing tracking every pixel on its way to the final image.
Cheers
Martin