... IRAF

IRAF is distributed by the National Optical Astronomy Observatories, which are operated by the Association of Universities for Research in Astronomy, Inc., under cooperative agreement with the National Science Foundation.

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... SExtractor

Available at http://terapix.iap.fr/soft/sextractor/index.html

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... Survey

http://www-wfau.roe.ac.uk/sss/

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