I remember flipping the image of the first post in H and V in the integrated fits viewer to match the sky map, which is equivalent to a 180º rotation (IIRC) but now, taking a look at the fits file with an external viewer I just have to flip H (exchange left to right) to match the rotation of the sky map. This is weird.

Anyway, after flipping in H, I've been visually matching the two images in gimp and the difference in rotation is about 65 degrees between them.

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