Aperture Photometry Tool, v. 2.6.7, Available Now!

Aperture Photometry Tool, v. 2.6.7, is now available:

http://www.aperturephotometry.org/aptool/download/

There is an enhancement in this release.

After discussions with Dave Shupe, who now believes the linear and constant terms of the SIP distortion are indeed necessary, modified the code to use them. For images where this is important, APT now computes positions that more closely match DS9 when the WCS requires SIP-distortion corrections.

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