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Re: RMS of background [message #50469 is a reply to message #50467]

Fri, 29 September 2006 10:42

greg michael
Messages: 163
Registered: January 2006

Senior Member

How do you know you want to find the rms? Otherwise, sounds fine to me.

adisn123@yahoo.com wrote:
> 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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[Message index]

		Re: RMS of background By: adisn123 on Fri, 29 September 2006 11:08
		Re: RMS of background By: Jean H. on Fri, 29 September 2006 10:41
		Re: RMS of background By: Jean H. on Fri, 29 September 2006 10:40
		Re: RMS of background By: greg michael on Fri, 29 September 2006 10:42

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