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Post flip centering error appears to be inaccurate

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SGP v 2.5.1.14
Windows 10
PlateSolve 2
Losmandy G11, Gemini 1, Gemini.NET 1.0.62 ASCOM driver
Atik 314L+
PHD2 2.6.1

Complete log file at http://stuffupthere.com/files/sg_logfile_20160607184316.txt

Autocenter complete at line 10087, 6/8/2016 12:26:41 AM


The log says the autocenter error was -35.2px in RA, yet the frames post-flip are offset in RA by ~ 150 pixels. Attached is a screenshot of the last image preflip, and first image postflip, as an example. The red + indicates the same RA/Dec in both images :

As the log file shows, plate solving "worked"...it seems to have simply solved either to the wrong coordinates, or calculated the amount of error incorrectly, though the scale and image size being reported by PS2 in lines 10069-10071 are also correct, so I's be surprised to learn the math was wrong.

Haven't had this happen before, have been using PS2 on 3-4 previous images, flips went fine, so...pretty confused on this one.


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