There are multiple artists of the same name:
These are photos from concerts where Aeon played, so they may be of other bands that played the concert as well.
Cannibal Corpse / Behemoth / Aeon / Tribulation Jan 31, 2015 Dallas, Texas, United States Uploaded by Trial By Chaos
Cannibal Corpse / Revocation / Aeon Nov 17, 2014 Warsaw, Mazovia, Poland Uploaded by Ziemi100feles
Summer Slaughter Jul 24, 2013 Oklahoma City, Oklahoma, United States Uploaded by Julian