COMMISSION 27 OF THE I. A. U.
                INFORMATION BULLETIN ON VARIABLE STARS
                             Number 2476

                                                     Konkoly Observatory
                                                     Budapest
                                                     10 February 1984

                                                     HU ISSN 0374-0676



               NEW VARIABLE STARS IN THE gamma CYGNI REGION


  A systematic search for variable stars has been carried out in the region
around gamma Cygni using the observational material obtained mainly with the
20 in./28 in. Schmidt telescope of the National Astronomical Observatory at
Rozhen between September 1979 and November 1983. The whole observational
material (with effective coverage of 298h) is obtained by the method of
multiple exposures. In addition to the 3 variable stars published earlier
(I.B.V.S, Nos. 1890, 2130), two new variable stars have been discovered.
Variable 1. The coordinates of the star are:

              alpha_1950.0 = 20h21.3m

               delta_1950.0 = 42d09'

Figure 1 presents the identification chart of the variable. This is a very
interesting irregular variable with sudden increases and decreases in the
brightness sometimes within a little more than 1 hour. The observed maximum
amplitude in U-light is 1.5m (between 16.8m and 15.3m). This star is situated
very near V 1515 Cyg, which is a member of the group of FU Orionis stars.


                           [FIGURE 1]


Variable 2. Figure 2 presents the identification chart of this variable with
coordinates:




                  alpha_1950.0 = 20h28.8m


                  delta_1950.0 = 41d03'




                           [FIGURE 2]



The star varies from 16.1m to 17.0m in U-light. The observations suggest that
the variable may belong to the irregular variables with small  and relatively
rapid (~1 day) fluctuations   with an amplitude of about 0.9m.
A 15 minute exposure V-plate taken with the 40 in./52 in. Schmidt telescope
of Byurakan Astrophysical Observatory was used to obtain the identification
charts.





                 KATYA P. TSVETKOVA            
            Department of Astronomy with
            National Astronomical Observatory,
            Bulgarian Academy of Sciences,
            Sofia-1184, Lenin Str. 72,
            Bulgaria