COMMISSION 27 OF THE I. A. U.
    INFORMATION BULLETIN ON VARIABLE STARS
                Number 2423

                              Konkoly Observatory
                              Budapest
                              25 October 1983

                              HU ISSN 0374 - 0676




                 V1057 CYGNI



 Photographic UBV magnitudes for this star have been
obtained from plates taken with the Uppsala-Kvistaberg
Schmidt telescope. The results are, with a probable
error of about +-0.1 mag.:

Date           U       B      V
--------------------------------
1980-10-09   14.1    13.1   11.2
1982-09-17    -       -     11.5
1983-10-06   14.5:   13.4   11.6


  Thus the colours of the star have not changed
significantly over the past three years, despite a
decrease in visual brightness of about 0.4 mag.


               GUNNAR WELIN
               Astronomical observatory
               Uppsala, Sweden