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Edge effect ?
01-21-2015, 02:11
Post: #1
Edge effect ?
Dear all,

I've been using Sextractor/Scamp/Swarp for some time now, to stack CFHT/Megacam exposures and build the large mosaic.
I run each code on every chip of the instrument separately.
After resampling the fits, I realize it suffers from some edge effects (see attached image).
Could you please let me know where this is coming from? Is this due to the background subtraction?

Many thanks,
Nicolas


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