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RMS of background [message #50470] Fri, 29 September 2006 10:12
adisn123 is currently offline  adisn123
Messages: 44
Registered: July 2006
Member
I have a sky background image and want to find what rms of the
background is.
Do I want to
1) square all pixel values of each point in the 2d image
2) add them and divide by the total number of points
3) take a square root of that?

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