USNO-B1.0United States Naval Observatory All-Sky Catalog (astronomy)
References in periodicals archive ?
Yamaoka also suggests that it might be the brightening of the mag 15 blue field star in the USNO-B1.
Astrometry of KP Cas on 10 images obtained under good conditions on JD 2454767 using Astrometrica (11) and the USNO-B1.
We measured the position of VSX 0747 on 8 images from January 24 at a time when it was near its brightest in the superhump cycle, using the Astrometrica astrometry software (19) and the USNO-B1.