If you would like to see a log history of Actions performed upon one of the Images within your Imaging database, you can access that history from the Image's Details Panel (accessible by clicking to the right of an image's file name) and then clicking History:
As you can see in the History for the image above, you are able to view who performed the Activity, what the Activity was, and the date/time the Activity occurred.
If you click on an individual Activity within the Log History for an Image, you'll see further details that may provide additional information about the Activity:
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