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FORUMS Photo Sharing & Discussion Astronomy & Celestial 
Thread started 04 Feb 2011 (Friday) 03:17
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Light pollution and Cygnus

 
naddieuk
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Feb 04, 2011 03:17 |  #1

Two nights ago, the night was clear, so I decided to take some photos of Cygnus. The lens was at 38mm and the exposures were 15 seconds and it was on the widest aperture at f/5.6 and ISO 1600.

The first image below shows what one of the lights were like so then you can see what I had to put up with.

IMAGE NOT FOUND
HTTP response: NOT FOUND | MIME changed to 'image/gif' | Redirected to error image by FLICKR

IMG_6000 (external link) by naddieuk (external link), on Flickr

After stacking 34 light frames and 27 darks, and using Iris to deal with image processing. I only need to do a few clicks and get something reasonable. I ended up with the following:

IMAGE NOT FOUND
HTTP response: NOT FOUND | MIME changed to 'image/gif' | Redirected to error image by FLICKR

scalecygnus020211 (external link) by naddieuk (external link), on Flickr

I have noticed that in DSS if you apply the changes, then you have something that you cannot work with at all. Comments and criticism are appreciated. I have tried to use Photoshop for image processing, but it took me hours and I got worse results than when I used Iris with a few clicks. :oops:

Thanks,

Naddie

Canon Powershot S95, Canon EOS 1000D attached to Skywatcher Explorer 150P on an EQ-3 unguided mount.
My Flickr site. (external link)

  
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Light pollution and Cygnus
FORUMS Photo Sharing & Discussion Astronomy & Celestial 
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