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FORUMS Photo Sharing & Visual Enjoyment Astronomy & Celestial 
Thread started 18 Sep 2013 (Wednesday) 05:56
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Struggling with Noise, PP help?

 
rpmaurer
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Sep 18, 2013 05:56 |  #1

Ok, so I have these images of the milky way, the ones with good lighting have terrible noise and the ones with no noise are too dark (I think?). Not good with tonal curves, and post-processing... suggestions?

You can take these and do what you want with them... NO idea where to begin! :(

Photos
ISO6400 and 30s f3.5 10mm

IMAGE: http://i40.tinypic.com/33c9d0g.jpg

ISO6400 and 30s f3.5 10mm
IMAGE: http://i42.tinypic.com/25k0pc3.jpg

ISO3200 30s f3.5 15mm
IMAGE: http://i43.tinypic.com/295wys7.jpg

Help? :D :rolleyes:

SX30IS, T3i, 18-55 IS II, 55-250 IS... life is good.

  
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rpmaurer
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Sep 18, 2013 05:58 |  #2

Forgot my favorite one!
ISO6400 f3.5 10mm 30s

IMAGE: http://i40.tinypic.com/voquqb.jpg

SX30IS, T3i, 18-55 IS II, 55-250 IS... life is good.

  
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huzkerpride
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Sep 18, 2013 07:49 as a reply to  @ rpmaurer's post |  #3

Did you take these with the T3i? If so, that camera is going to struggle a bit with ISO 6400. You can always run the image through a noise reduction program like Noise Ninja, Neat Image, Topaz, etc., but I would recommend doing what you can in RAW processing to remove most of the noise first.


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doug ­ waters
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Sep 18, 2013 18:57 as a reply to  @ huzkerpride's post |  #4

i'll take a crack at it.

i'm far from an expert at this. this is just an adjustment curve, sharping, gaussian blur. maybe too much? not enough?


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doug ­ waters
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Sep 18, 2013 19:42 as a reply to  @ doug waters's post |  #5

now that i see it on here, not such a good try. another try with basically the same processing.


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spotz04
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Sep 18, 2013 22:24 as a reply to  @ doug waters's post |  #6

As what was already mentioned by several people in your post in the Post Processing forum ;) the problem with your pics is due to using ISO 6400 on your T3i.

You can use LR to smooth out the noise but that will reduce sharpness. Even using other noise reduction software, such as Noiseware, you'll likely end up with very similar results because the noise is so heavy. Once you smooth some of the noise if you try to sharpen again or increase the brightness int he pic it will only enhance the noise. You have to find a balance you can be satisfied with. If you have the opportunity you're best to revisit the area for another go using lower ISO ranges and longer exposures. Or, live with a some amount of noise and print small. :)




  
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Struggling with Noise, PP help?
FORUMS Photo Sharing & Visual Enjoyment Astronomy & Celestial 
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