stylesheet - (Centered) Automatic Numbering of Figures

I want to create a figure caption cell style that prefixes a centred figure caption with Figure X, where X is an incremental number

I have seen two methods for automatically numbering figures:

Method 1: Use a CellDingbat to place the label in the left margin of the notebook

Cell[StyleData["FigureCaptionLeft"],
 CellDingbat->Cell[
   TextData[{"Figure ", 
     CounterBox["FigureCaptionNumbered"], "."}]],
 TextAlignment->Left,
 CounterIncrements->"FigureCaptionNumbered",

 CellMargins->{{115,0},{0,0}},
 MenuSortingValue->10000]

Method 2: Use CellFrameLabels to place the label above, below, left or right of the cell frame. Using this method I have not been able to obtain cell frame label and the caption on the same line.

Cell[StyleData["FigureCaptionCentred"],
 CellMargins->{{65, 0}, {0, 0}},
 CellHorizontalScrolling->True,
 CellFrameLabels->{{None, None}, {None, 
    Cell[
     TextData[{"FIGURE ", 

       CounterBox["FigureCaptionNumbered"], "."}]]}},
 CellFrameLabelMargins->{{0, 0}, {0, 0}},
 TextAlignment->Center,
 CounterIncrements->"FigureCaptionNumbered"]

The image should illustrate the captions created from the described styles and my desired caption Screenshot of the two methods and my desired caption

Any ideas on how to create a style which prefixes centred text with a automatically generated number (with the number and text on the same line)?

Comments

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