jimao22 Posted January 4, 2016 Share Posted January 4, 2016 Hi all and have a Happy New Year,In the new year eve, I spent my time under the stars, like any serious astronomer, exposing to M1 in OIII, to finish the colours for this nebula.I had some older exposures in Ha, from the beginning of last year, I added some new in December and I finished all in between the years.The result down below is a sum of 2x1800s and 17x1200s in Ha and 8x1200s in OIII, a total of 10 hours and 40 minutes.The colours was assigned like this: R=Ha, G=50%Ha+50%OIII, B=OIII.The picture was made with my usual set-up - MN190, EQ6 w/EQMOD, belt drive, ATIK314L+, TS OAG with QHY5II-L.Calibrations, stack - MaximRest of operations -PILevels (final touch) - Photoshop Link to comment Share on other sites More sharing options...
baggywrinkle Posted January 4, 2016 Share Posted January 4, 2016 Nice image, you were luckier than us in the UK with your skies. Link to comment Share on other sites More sharing options...
alan potts Posted January 4, 2016 Share Posted January 4, 2016 That's a very nice image, I always find this nebula a bit disappointing even with a fairly large scope. I guess your weather now is much the same as mine here, we have about 35cms of snow and minus 9 even now, just gone 1 o'clock.Alan Link to comment Share on other sites More sharing options...
laudropb Posted January 4, 2016 Share Posted January 4, 2016 Very nice image. Link to comment Share on other sites More sharing options...
jimao22 Posted January 4, 2016 Author Share Posted January 4, 2016 Thanks, but is a bit too noisy for my taste - I have a problem with that. I hate the noise but using the normal de-noising procedure, I kill the details also.So I need to find out a way to do this better.Fortunately the guys from Astro Imaging Channel had an episode this morning about that ( https://www.youtube.com/watch?v=em7AXdvNHRA#t=11). Because of the time zone difference I didn't sow this live, but I am going to see this with a coffee mug, this evening. Link to comment Share on other sites More sharing options...
toxic Posted January 4, 2016 Share Posted January 4, 2016 very nice image - try enlarging the pictur to 200% at 1200dpi then use your noise reduction then re-size it back to normal Link to comment Share on other sites More sharing options...
jimao22 Posted January 4, 2016 Author Share Posted January 4, 2016 Seems like a good idea. But I don't know a method to change the resolution this way (I am a bit stupid...). Can you detail more, please?L.E. - Resample is a good way to do this (from PixInsight)? Link to comment Share on other sites More sharing options...
jimao22 Posted January 4, 2016 Author Share Posted January 4, 2016 I didn't give up with the noise issue and after watching the Astro Imaging Channel video with noise reduction and experimenting what I sow with my old PixInsight version, adding some personal ideas here and there, I obtained the result down bellow. Is not perfect, I have to work hard with the masks, used several times in the process, but is way up better than the previous image.I will make a small tutorial on how I did this on my blog (but unfortunately not in English).Anyway, your sincere comments are highly welcomed. Link to comment Share on other sites More sharing options...
Paul M Posted January 4, 2016 Share Posted January 4, 2016 Both images are great renditions of one of my favorite objects.I'm no critic and the technicalities of processing are lost on me but, on my phone at least, I prefer the first image. It's got more stars!Sent from my SM-G903F using Tapatalk Link to comment Share on other sites More sharing options...
wimvb Posted January 4, 2016 Share Posted January 4, 2016 Both nice images. Thanks for the pointer to the video. Link to comment Share on other sites More sharing options...
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