My first star trail

Discussion in 'Photography Beginners' Forum' started by CrabiGabi, Jul 20, 2010.

  1. CrabiGabi

    CrabiGabi TPF Noob!

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    Hey,
    I tried this out last weekend, but I kept getting those pink blobs in the left top corner. This was consistent even when I changed location, but only appeared during my long exposures. Does anyone have an idea of what may be causing this?

    Star Trail - Imgur
     
  2. McNugget801

    McNugget801 TPF Noob!

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    That would be a heated up sensor.
    Some cameras have known issues with this (like the Nikon D80) due to design flaws.

    What camera were you using?
    How long was the exposure?
    What ISO were you using?
     
  3. TiCoyote

    TiCoyote TPF Noob!

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    It looks like lights from an alien spacecraft.

    I agree that it could be the sensor. There are some ways to cool your camera down to avoid this.
     
  4. astroskeptic

    astroskeptic TPF Noob!

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    Although I haven't tried this, I think the sensor heat problem can be addressed by reducing exposure time, taking multiple shots in series and stacking the results.
     
  5. dak1b

    dak1b TPF Noob!

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    i really want to try this type of shot. what was ur setup/settings to achieve this effect?
     
  6. astrostu

    astrostu I shoot for the stars

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    Sensor heat. Period.
     

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