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General Photography
Landscape
First Time Trying Long Exposures
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<blockquote data-quote="MartinCornwall" data-source="post: 292928" data-attributes="member: 12701"><p>Unless you are in a proper dark site area an hour long exposure will suffer from bad light pollution as well as some serious noise. For star trails you are much better off taking multiple 30secs (depends on light pollution levels) and stacking them in a free program called StarStax. Using this method you turn off Long Exposure NR as this will leave gaps in the trails whilst processing the NR. The amount of noise from a 30 sec exposure is quite low and the stacking process evens out any noise as well.</p></blockquote><p></p>
[QUOTE="MartinCornwall, post: 292928, member: 12701"] Unless you are in a proper dark site area an hour long exposure will suffer from bad light pollution as well as some serious noise. For star trails you are much better off taking multiple 30secs (depends on light pollution levels) and stacking them in a free program called StarStax. Using this method you turn off Long Exposure NR as this will leave gaps in the trails whilst processing the NR. The amount of noise from a 30 sec exposure is quite low and the stacking process evens out any noise as well. [/QUOTE]
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First Time Trying Long Exposures
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