AstroMosaic reposition mode can be used to visually move current framing using the mouse. Reposition mode can be chosen by checking the Reposition box in the interface.
Reposition is useful also when searching for targets in the sky map. It is possible to center to the current Aladin view position by checking the Reposition box and moving the image with the mouse. Note that if you have moved far away from the original position you need to click the Refresh button to update visibility charts.
Many thanks to Nick R for the ideas and code contributions to the visual reposition of the target.