Star Trails

Discussion in 'Landscape & Cityscape' started by Coldow91, Jan 3, 2009.

  1. Coldow91

    Coldow91 TPF Noob!

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    Taken a few nights ago, of the cold MA sky

    [​IMG]



    I was considering trying a monochrome version, what do you think?
     
  2. Genocide

    Genocide TPF Noob!

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    Looks nice, how many exposures is this made of?
     
  3. Wozza

    Wozza TPF Noob!

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    Haven't tried this technique yet, out of interest how long was the shutter open for and what apature? Need to have a play with my shutter release.
     
  4. Coldow91

    Coldow91 TPF Noob!

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    It was 45 minutes of consecutive 30 seconds exposures, then stacked.
    ISO-400 I believe and f/3.5
     
  5. astrostu

    astrostu I shoot for the stars

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    Is it just me, or are the stars slightly out of focus? Or did you do that on purpose to bring out the colors?
     
  6. Coldow91

    Coldow91 TPF Noob!

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    I didn't really do anything to this photo. I just focused to infinity manually and shot, it is possible the focus shifted or something throwing the out of focus with a narrow dof f/3.5
     
  7. Genocide

    Genocide TPF Noob!

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    I can't really tell if you did or not, but apparently some good tips for star trails are:

    -On the penultimate exposure, shine a torchlight onto the foreground objects to bring them out a bit.

    -On the last exposure, leave the lens cap on. The black frame should help reduce some noise when you merge them together.

    Well that's what a magazine told me anyway :p
     
  8. Coldow91

    Coldow91 TPF Noob!

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    I think I might light paint if I had different foreground but for this I wanted the silhouettes of the trees,
    thanks for the tips
     

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