There are at least four artists with this name:
These are photos from concerts where Northstar played, so they may be of other bands that played the concert as well.
Vans Warped Tour 2004 Jul 2, 2004 Fullerton, California, United States Uploaded by Andysoto23
Vans Warped Tour 2002 Aug 15, 2002 Boston, Massachusetts, United States Uploaded by Nicolenoir9
larry coryell / Northstar Aug 5, 1978 Akron, Ohio, United States Uploaded by Marmarinou