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SWarp- combining using sigma clipped average
05-19-2015, 00:12
Post: #1
SWarp- combining using sigma clipped average

I am trying to combine some images using sex, scamp and swarp. I want to combine by sigma clipped averaging.

To test if I got sigma clipping working ok: I tried to use swarp to coadd {20 copies of one exposure and one copy of the same exposure but all pixel values multiplied by 3} together. However, the final coadd.fits image didn't clip out the different exposure as an outlier. I also asked swarp to write out a clipped.log, but that log is empty.

FSCALE_KEYWORD SWARPSCL (for all 21 inputs, this keyword value was the same)

Any help in using the sigma clipping function would be much appreciated! I am using the macports SWarp version 2.38.0 (2014-05-22).
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SWarp- combining using sigma clipped average - Jragonfly - 05-19-2015 00:12

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