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PostPosted: Wed Jan 07, 2009 12:22 am 
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Joined: Sun May 25, 2008 12:48 pm
Posts: 8076
Location: UK
Instead of stacking them all into one image, it puts them into a video sequence. The effect is basically like time lapse. Just posted mine in another thread here.

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PostPosted: Wed Jan 07, 2009 7:56 am 

Joined: Sat Oct 11, 2008 8:27 pm
Posts: 404
Location: Bristol, UK
A very nice looking shot there, shame about the clouds though ;-)

podgeorge wrote:
Although i turned NR off, and it makes a big difference in Noise quantity

This is as you would expect, and something that you need to do for this method otherwise there would be a 30sec delay between shots thus rendering the stars with gaps. In this instance, after the last frame was taken, you would put the lens cap on and take several further shots of the same exposure. You then load these into the software as Dark frames and let the software remove the noise (Just like the camera does with NR)

Lee Diggle
My Astronomy Blog | My Photography Gallery

 Post subject:
PostPosted: Wed Jan 07, 2009 1:07 pm 
I saw your exposure popo, much more interesting than mine simply because you have foreground interest! Also Digz, i will try that and see how i get on, i am just waiting for another clear night now!

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