A possible crater on Vesta?

A possible crater on Vesta?
A possible crater on Vesta? I take four frames from the Vesta rotation movie taken by Dawn on June 1, 2011 and point out with a yellow circle a feature that I think might be (but which might not be) a crater. NASA / JPL-Caltech / UCLA / MPS / DLR / IDA / cartoon by Emily Lakdawalla