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What Does “Original image scale range” Mean?

April 26, 2017image mean scale

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What Does “Original image scale range” Mean?

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“Original image scale range” is the initial pixel scale (in meters/pixel), which may vary if some CCDs are binned more than others. If a combination of bin 1 and bin 2 is used, and the bin 1 scale is 0.3 meters/pixel, then the original image scale range is 0.3-0.6 meters/pixel. Map-projected images have been re-sampled to either 0.25 m/px (bin 1), 0.5 m/px (bin 2), or 1.0 m/px (bin 4).