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  #1  
Old 11-10-2005, 02:50 PM
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Hello I'm light pollution !

Ok guy's and girls, this is a 2 x 15 min sub averaged with lots of light pollution !
If you want too have a go at saving this image please send me your email and I'll send you the uncompressed file

Cheers


Louie
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  #2  
Old 11-10-2005, 02:56 PM
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This one Paul !



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Old 11-10-2005, 03:07 PM
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eioul,

HAVE YOU BEEN USING A FILTER, not the liquid amber type
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Old 11-10-2005, 03:16 PM
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I had a go at your above image Louie.....would turn out a lot better with your original.

Much better colour on this last one of your's Louie.....the other one I couldn't do anything with.

What do you think....I tried hard not to darken the background too much as I know I do this too much but thats just because I prefer to look at it this way...My personal preference.

I would like to see how others go with the full size image to work with.
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Old 11-10-2005, 03:20 PM
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all i see is light pollution.... what do we work on?
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Old 11-10-2005, 03:22 PM
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Yes Dave,I use the Astronomics CLS , and here's another interersting corruption of colour
this image is a 15min exposure and before I saved It as a FITS file It looked like the image above

Louie
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Old 11-10-2005, 03:26 PM
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Looking better Tony ! when your fighting so much light pollution Its hard to keep the background natural looking I think .


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Old 11-10-2005, 03:28 PM
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Use the UHC filter Ving ! oh sorry I mean David


Louie
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Old 11-10-2005, 03:46 PM
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Old 11-10-2005, 04:29 PM
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I gave it a quick go Louie, this is how it came out although it's been compressed heaps.


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  #11  
Old 11-10-2005, 04:31 PM
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This is a good as I can get it Louie.

Thanks for letting me have a go at your image.
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Old 11-10-2005, 04:36 PM
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Talking

i gave it a go and came up with this louie...
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Old 11-10-2005, 04:38 PM
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Where's the stars David.?????????????
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  #14  
Old 11-10-2005, 04:40 PM
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Quote:
Originally Posted by ving
i gave it a go and came up with this louie...
Did you use a filter on that David?
Or did astobelle?


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Old 11-10-2005, 04:45 PM
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a star block filter?
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  #16  
Old 11-10-2005, 05:31 PM
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These are much what I end up with Tony and Andrew , you know that blue down the bottom of the image Andrew ,Its hard to get rid of without loosing all the blue .
Gee thats really great David ! you've got the hang of It now mate


Louie
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  #17  
Old 11-10-2005, 06:00 PM
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Quote:
Originally Posted by atalas
Ok guy's and girls, this is a 2 x 15 min sub averaged with lots of light pollution !
If you want too have a go at saving this image please send me your email and I'll send you the uncompressed file
Louie,

This one looks much more promising. Please send me the uncompressed version.

thanks
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  #18  
Old 11-10-2005, 06:19 PM
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Shall do Tony , and thanks for your help !

Cheers

Louie
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  #19  
Old 11-10-2005, 08:38 PM
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Ok Louie,


Here it is. This one was much easier to work with. the colours in your original were very strange. There was just too much green and not enough info in the image to do much with.

I used Images Plus digital development to perform the initial stretch while avoiding clipping the histogram. While doing this I noticed a rather large darkening in the background. Probably a dust mote in your optical train somewhere. I then went to Photoshop and used levels and curves to bring out the nebula. It was fairly difficult, particularly in the blue channel. There was a lot of blue noise that really complicated things. I managed to isolate the nebula and work on the colours in it separately from the background.

I then went back to IP and applied a star size reduction. It was then back to Photshop to apply noise reduction.

cheers
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  #20  
Old 11-10-2005, 08:49 PM
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Excellent Tony. Nice piece of ressurection!

Nearly as good as Vingo's.
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