SourceEpochImageVisibility
1726+455
1995JUL24 2 GHz , 8 GHz 2 GHz , 8 GHz
1995OCT02 2 GHz , 8 GHz 2 GHz , 8 GHz
1995OCT17 15 GHz 15 GHz
1996APR23 15 GHz 15 GHz
1997JAN10 2 GHz , 8 GHz 2 GHz , 8 GHz
1997JAN30 2 GHz+ , 8 GHz+ 2 GHz+ , 8 GHz+
1997MAR31 2 GHz+ , 8 GHz+ 2 GHz+ , 8 GHz+
1997MAY19 2 GHz+ , 8 GHz+ 2 GHz+ , 8 GHz+
1997JUL24 2 GHz+ , 8 GHz+ 2 GHz+ , 8 GHz+
1997SEP08 2 GHz+ , 8 GHz+ 2 GHz+ , 8 GHz+
1997DEC17 2 GHz+ , 8 GHz+ 2 GHz+ , 8 GHz+
1998APR15 2 GHz+ , 8 GHz+ 2 GHz+ , 8 GHz+
1999JUN21 2 GHz+ , 8 GHz+ 2 GHz+ , 8 GHz+
1999AUG02 2 GHz+ , 8 GHz+ 2 GHz+ , 8 GHz+
2000JAN31 2 GHz+ , 8 GHz+ 2 GHz+ , 8 GHz+
2000JUL06 2 GHz+ , 8 GHz+ 2 GHz+ , 8 GHz+
2004FEB15 2 GHz , 8 GHz 2 GHz , 8 GHz
2005AUG26 8 GHz 8 GHz
2006SEP13 2 GHz+ , 8 GHz+ 2 GHz+ , 8 GHz+
A "+" after the frequency indicates VLBA+ observations.