NGC55 repro

[DiscoDuck]

I had a go at reprocessing an image of NGC55 from a couple of months back. This time I used deconvolution in PixInsight, which I haven't used successfully much before, having this time read a tutorial first (yes, when all else fails, read the *@#$ manual :) ).

Though I think it is much sharper, the colour balance is very different this time around. Not sure which is the more "correct" - the older balance looks more pleasing to me, but that's not enough reason to go with that!!

Links to old (http://www.astrobin.com/269740/B/)and new (http://www.astrobin.com/269740/C/)images on Astrobin. (New and old images also attached). And original thread is here (http://www.iceinspace.com.au/forum/showthread.php?p=1278123).

Thanks for looking and for any comments.

Paul

[alpal]

Not bad.
I think you may have sharpened hot pixels as there are
many extra stars now?

cheers
Allan

[Atmos]

I prefer the older one over the new. The colour balance in the old is definitely better (the new one needs a SCNR for green reduction) and the stars look nicer. The new one looks like it has a lot more noise reduction done to it also.

My :thumbsup: goes to the original which I do like :)

[DiscoDuck]

Had another play. Difficult to recreate the old colour balance exactly, so I cheated and took luminance from the new image and the RGB channels from the old :)

Result is here (http://www.astrobin.com/269740/F/).

[Geoff45]

Ver good Paul. This is quite a difficult galaxy to image. You really have to get good detail and contrast to make it interesting and I think you've nailed it pretty well.
Geoff

[DiscoDuck]

Thank you Geoff.

[PeterSEllis]

I wouldn't worry too much about the color, from a scientific view point, I can see many more stars in the Galaxy (and they are not hot pixels). I will have to give pixinsight deconvolution a try.
Well done.

Cheers
Peter

[DiscoDuck]

Thanks Peter. The final (well, latest :) ) version (version F (http://www.astrobin.com/269740/F)in Astrobin) has the colour rebalanced anyway - with, based on advice from others, a slight blue reduction and also a slight blurring applied to make the overly sharpened stars appear a bit less, well, sharp! The blurring I did with a convolution in PixInsight. Seemed odd going to all that trouble to pull out detail and then to blur it - but I think it makes it look a bit less overdone. :question: