Hello Rolf,

if I remember right, there should be a file a10.dat in the Guide directory.
Delete this file and the USNO-stars are gone.

Clear skies
Bernd

> Hello
>
> I am using Guide7. I got the USNO catalog. Asking Guide7
> to read the dates of a sky-section it shows me later this
> data as blue stars. Closing guide and reopening it, there
> are still this data, so I guess it saves it on my hard-disk.
>
> How can I get rid of the data (like in RealSky) or will it
> take some months and 11 CDs are on my hard-disk?
>
> Kind regards from Germany

Bernd Brinkmann
Herne, Germany

http://homepage.ruhr-uni-bochum.de/Bernd.A.Brinkmann/index.html