[AstroPy] Coordinates help

[Thøger Emil Rivera-Thorsen]

Hello;

I am doingmy first foraging into the Astropy coordinates and wcs modules.
My job is to check pointings on some blind-offset spectroscopy 
observations from the aqcuisition frames. What I have is this:

1) RA, DEC of reference object.
2) dx, dy offsets in arcsecs along the image axes to the object
3) RA, DEC of the object

What I need to do now is to check that, starting at the center pixel and 
moving along, I actually end up at 3) (and secondarily, that center 
pixel and 1) agree).

2) is really the difficult step here. Can anyone give some hints?