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Hi Dietmar,

thanks for your post, nothing to add. I agree with basically every sentence

Regards
Stefan

Hi guys! Dietmar, you're certainly right that I misunderstood Ivo's intention (although he expressed it pretty clearly), thanks for clarification. I am nonetheless not convinced in terms of documentary value. The issue with processing your different signals non-linearly like that, is that you are no...

Apart from different integration times it gets even more complicated when different filter bandwidths and different quantum efficiencies for the different emission lines are taken into account. That's why I question this concept for drawing conclusion about emission concentrations since therefore I ...

Hi Ron, both are detailed and deep renditions :thumbsup: I prefer the first version which appears softer and shows more of the faint stuff without losing details. It also appears a bit different with regard to contrast, especially in the OIII rich part of the North America Nebula. Maybe it's due to ...

Hi Carles, I did a quick process of the Ha part of the l-eNhance image and the NBAccent image. The Ha layer was processed in Mono with all the usual modules like Contrast, HDR, Sharp, SuperStructure (DimSmall) and Denoise. Stars were also deconvolved and shrinked. The NBAccent image was only lightly...

I honestly don't know how to explain differently

Hi Carles, thanks for the comparison! Looks promising. yeah, but I mean the fact you have less stars in Halpha, for instance, is that it will color only the stars available, resulting in RGB stars, but less, and more contrast. My reasoning is different. Assume there's a part of the nebula where you ...

Hi Dietmar, But now I'm pretty sure, it's the focuser itself. There's a screw to adjust the pressure. Maybe it helps to tighten it after focusing? It doesn't :) Tried it. It only adjusts the amount of friction but doesn't make the alignment more robust. At least in my experience. Regards Stefan

Hi Carles, Maybe you can try it one day, perhaps with Alnitak for the Horsehead, and see if it makes any difference in bright stars. I surelly will hehe :D Maybe there's a misunderstanding. I used LCG and Gain 100 on the Helping Hand, so the lowest possible Gain setting, taking advantage of full wel...

Hi Carles, I already tried that on one or two former images of mine but never have been satisfied. I guess the culprit was that as you said you have less stars in the NB image. But when you layer the color of the NBAccent image over the NB image you get star color where no star detail is. Looking at...