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fDesc[0] = "Image Stacker is a windows program, but can also be run from the command-line and easily incorporated into scripts and batch files. <br /> Image Stacker combines or &quot;stacks&quot; multiple images into a single image, using one of several different blending methods. Image Stacker can be used for a variety of purposes, but its primary purposes are (1) to create very long exposures (longer than would be possible using any single exposure) (2) to create star-trail images and (3) to reduce the appearance of &quot;digital noise&quot;.";

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