COMMISSION 27 OF THE I. A. U.
        INFORMATION BULLETIN ON VARIABLE STARS
                     NUMBER 353

                               Konkoly Observatory
                               Budapest
                               1969 June 2

         THE FLARE STAR V645 (PROXIMA) Cen

      V645 Cen was selected for monitoring by members of
the V.S.S., RASNZ during 1969 March. The selected period
coincided with bad weather over N.Z. and only 15 hours of
coverage was possible. All observations were visual. A 
summary of coverage and times of four suspected flares are
given below.


1969        U.T.                    OBSERVERS
March 14  1200-1500                   Wk
15        0906-1440                   Ci; En; Hv; Mf; MA; Wk.
18        0920-1030; 1045-1145; )     Bt
          1235-1336.            )
19        0850-0932                   Ce
22        0920-1009; 1052-1105; )     MJ
          1122-1304             )

Total Coverage: - 15h 1m  (Observers: -  F.M. Bateson (Bt);
G.W. Christie (Ci);  S. Clements (Ce);  R.W. Evans (En); S.R.
Hovell (Hv);  B.F. Marino (MA);  G. McCallum (MJ); B. Menzies
(Mf); W.S.G. Walker (Wk).

                SUSPECTED FLARES

1969          U.T.    Delta m_vis    DURATION   OBSERVER
                                        mins
March 15   12h39.25 mins  0.4            7          Mf
18         09 46.5        0.4            6          Bt
           11 01.0        0.3            8          Bt
           12 37.75       0.8           10          Bt

Charts 152  and 153 (1) were used with the sequence shown
thereon. A discussion of the results appears in Circular
137 (2).

Mt. John Observatory
1969 May 17                                 F.M. BATESON


REFERENCE

(1) BATESON, F.M.; Jones, A.F. and Stranson, I. Charts for
    Southern Variables Series 5. 1968. Published by F.M.
    Bateson
(2) Circular 137, V.S.S., RASNZ. 1969