MPDAF reference pixel frame
the result from cube.sum(0) when the cube is open with pyfits is different from mpdafcube.sum(0) when the mpdaf is an obj.Cube object.
The location of the objects are different.
the result from cube.sum(0) when the cube is open with pyfits is different from mpdafcube.sum(0) when the mpdaf is an obj.Cube object.
The location of the objects are different.