Source	Epoch	Image	Visibility
0007+171	1997JAN11	2 GHz , 8 GHz	2 GHz , 8 GHz
	1998AUG10	2 GHz+ , 8 GHz+	2 GHz+ , 8 GHz+
	2008JAN23	2 GHz+ , 8 GHz+	2 GHz+ , 8 GHz+

A "+" after the frequency indicates VLBA+ observations.