General reports on the RMAN catalog

Having a catalog for many databases, is there any general reports out there to tell me who all is using the catalog?  

Is it possible to get some generic reports like "Which databases have been backed up this week?"  

Everything normally goes from MY database and it's status. What if I want to know if there is any "undocumented" backups taking place of a database not known to be registered in this catalog?  

Thanks. Of course, perhaps that's what they have put into Grid Control?  

Michael Kline
Database Administration
SunTrust Banks, Inc.
Mail Code TOC-7505

1030 Wilmer Avenue
Richmond, Va. 23227
Tel: 804.261.9446 Net: 643.9446

Cell: 804.744.1545
michael.kline_at_suntrust.com <mailto:michael.kline_at_suntrust.com>  

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