Hello;
I think it's not the same.
The URAT1 is adapted to the usno A2 but more modern and with
more exactitud.
Regards;
El 30/09/2017 a las 20:40,
chasseurdesgalaxies@... [guide-user] escribió:
Hi Joaquim,
your message is difficult to understand.
URAT and USNO is not the same catalogue !
Rudi-- J.Tapioles http://pastorgalactico.blogspot.com.es/
