More Super Nova show the remnants of former Starpot micro black holes as hotspots,
They even seem to travel to the outside of the SuperNova.
According to Q-FFF Theory, They seem to travel by the acceleration of the self created Plasma tails which are called "Tadpole Black Holes". See also:
Below: The pushing plasma tail, seems to be guided by local gravity or blown away by local stellar wind.
Below: Splitting and forming dual Tadpole Black Holes , as the origin of new star formation in the middle of both negative charged micro black holes.