A pair of StarCoords (X,Y), so that X is the greatest x coordinate of any star in the constellation and Y the greatest y coordinate of any star in the constellation.
A pair of StarCoords (X,Y), so that X is the greatest x coordinate of any star in the constellation and Y the greatest y coordinate of any star in the constellation.
A pair of StarCoords (X,Y), so that X is the smallest x coordinate of any star in the constellation and Y the smallest y coordinate of any star in the constellation.
A pair of StarCoords (X,Y), so that X is the smallest x coordinate of any star in the constellation and Y the smallest y coordinate of any star in the constellation.