Position the anchor point in the exact center of the smaller circle
You can create a different file by filling in the desired region in red.



Go to website: WOLFRAM DEVELOPMENT PLATFORM

And enter the code below:

image=Import["C:\\Users\\Image.png"]
value={ImageDimensions[image]}-{Mean[ImageValuePositions[image,Red][[All,#]]]&amp;/@{1,2}}




Enter the values offered for the anchor point. In this case: 386.995 and 173.982