sjlund Senior Member 568 posts Joined Mar 2007 Location: Northern Minnesota More info | Aug 22, 2009 15:56 | #1 Can someone give me advice on how to eliminate the gaps between the 30-second stacked exposures?
Is this just something you have to live with when using this technique? I used startrails.exe. Each shot was f/5.6, ISO400, 30 seconds. They were shot from a tripod using a remote shutter release. Thanks for any advice!
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Adrena1in Goldmember 1,703 posts Joined Aug 2007 Location: Winchester, Hampshire, UK. More info | Aug 22, 2009 17:03 | #2 I think this is something you have to live with I'm afraid. Even if there's only a second or two between exposures, there's going to be a tiny gap. There might be a PhotoShop trick to eliminate them I guess, but not sure of any. Canon EOS 450D, Sigma 18-200mm, Canon 50mm f/2.5 Macro, 2x TC, Revelation 12" f/5 Dobsonian, Mintron PD2285-EX webcam.
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Aug 23, 2009 11:17 | #3 Why would you limit yourself to just 30 seconds? Lower your ISO and shoot for 5 minutes or more.
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Aug 24, 2009 16:01 | #4 For anyone else that may have this question, running the "diffuse" photoshop filter on the sky field eliminates the gaps on all but the dimmest stars.
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Aug 24, 2009 16:03 | #5 ryant35 wrote in post #8508905  Why would you limit yourself to just 30 seconds? Lower your ISO and shoot for 5 minutes or more. A couple of reasons... Sometimes the foreground would completely blow out in 5 minutes or more. 5 minute exposures are also pretty noisy!
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Aug 24, 2009 16:24 | #6 sjlund wrote in post #8515918 A couple of reasons... Sometimes the foreground would completely blow out in 5 minutes or more. 5 minute exposures are also pretty noisy!
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siddr20 Goldmember  2,165 posts Joined Nov 2007 Location: Sydney-Australia More info | Aug 25, 2009 01:00 | #7 For anyone else that may have this question, running the "diffuse" photoshop filter on the sky field eliminates the gaps on all but the dimmest stars. www.sidd-rishi.com.au
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Sorarse Goldmember  2,193 posts Likes: 25 Joined Jan 2008 Location: Kent, UK More info | Aug 25, 2009 12:54 | #8 ryant35 wrote in post #8508905 Why would you limit yourself to just 30 seconds? Lower your ISO and shoot for 5 minutes or more. Light pollution is also a problem. A 5 minute exposure would blow out the sky in a lot of locations. At the beginning of time there was absolutely nothing. And then it exploded! Terry Pratchett
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