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Old 26-11-2009, 09:46 PM
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alan meehan (Alan)
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Orion in HA

my first go at using a HA filter wow what a new learning curve,apart from not being able to see what i was imaging and then haveing to have ago at processing the beast this was something very different.10x8min shots darks and flats processed in p/s.could use some guidence here.
ALAN
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  #2  
Old 26-11-2009, 09:56 PM
TrevorW
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Can't help with HA might give it a go myself one day from what I see I'd expect more for 80 minutes on Orion but hell what would I know
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Old 27-11-2009, 12:18 PM
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hey alan, did you split the RGB chanels apart? if not thats one of the first steps im lead to belive as the G and B is just noise. Apart from that you hvae done well to capture some good detail but the processing needs a bit more attention how. im not 100% as im still crawling myself! though some of the others here have had a good crack at it! Good luck
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Old 27-11-2009, 12:32 PM
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telecasterguru (Frank)
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Alan,

You're on your way in HA and I will watch with interest. I will be having my first go toninght and tomorrow.

Frank
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  #5  
Old 27-11-2009, 01:54 PM
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Ric
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Hi Alan, I'm still a bit of a novice myself in Ha and NB but it looks good for your first attempt.

some areas look a bit flat but there are also some nice areas as well that are showing some good depth.

looking forward to seeing more of your images.

Cheers
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  #6  
Old 27-11-2009, 05:42 PM
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multiweb (Marc)
ze frogginator

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Pretty cool Allan but I think something got clipped during processing. Your whole dynamic range is not there. Looks posterized around the core. Other than that top shot.
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  #7  
Old 27-11-2009, 08:56 PM
Hagar (Doug)
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Nice image Allan but as Marc has pointed out the core has suffered a bit during processing. Maybe during the curve stretch you have dropped the bright end of the curve too much while trying to preserve the core and actually damaged it. Far better to copy and blend the core during processing then you may get a bit more out of the main area of the nebula while retaining the core.

Nice first image.
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Old 28-11-2009, 12:53 AM
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nice work for first attempt Al they can only get better from here on cheers
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Old 29-11-2009, 07:21 AM
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alan meehan (Alan)
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Thanks everyone
Brendon i split the channels and used the red channel only then converted it to greyscale .
Marc thanks i did some processing in pixilinsight and used wavelet transfer to bring the overexposed core down but your right it sortof posterized it.HA is areal learning curve.
The weather has been a shocker for any real astro shots just to hot and moist
thanks Jen
Alan
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