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How do I create mosaic distortion plots?
01-25-2018, 16:17
Post: #1
How do I create mosaic distortion plots?
Given a 4 CCD mosaic camera, if I treat CCDs separately in Sextractor and Scamp, is there any way to assembly the individual CCD distortion PNG maps into one single mosaic plot? Many thanks in advance!
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01-25-2018, 16:27
Post: #2
RE: How do I create mosaic distortion plots?
Dear Ovidiu,

I am afraid there is no way around creating a MEF from your individual FITS file, and then run sextractor and scamp on them.

Missfits is a very handy tool to create MEF from single FITS images.

Provided your 4 individual images follow the naming convention:
myfile.001.fits
myfile.002.fits
myfile.003.fits
myfile.004.fits
you can create the MEF using the following command:
Code:
missfits -SAVE_TYPE REPLACE -OUTFILE_TYPE MULTI myfile

It will create a file called myfile.fits that is ready to be analysed with sextractor and then scamp!

Hope this is helpful.
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