COMMISSION 27 OF THE I. A. U. INFORMATION BULLETIN ON VARIABLE STARS NUMBER 416 Konkoly Observatory Budapest 1969 January 22 PROGRAMME OF COOPERATIVE OBSERVATIONS OF FLARE STARS FOR 1970 The Working Group on Flare Stars will continue to operate in the year 1970. From consultation with members of the international network an observing schedule for 1970 has been prepared as follows: Principal Programmes YZ CMi January 31 - February 13 AD Leo March 1 - March 15 V 1216 Sgr June 26 - July 10 EV Lac August 23 - September 9 UV Cet September 22 - October 9 Additional Programmes Wolf 359 March 30 - April 14 BD + 13 2618 April 15 - April 28 Wolf 424 April 29 - May 13 V 645 Cen May 28 - June 12 Further suggestions and requests for special programmes by the international network should be addressed to the Chairman of the Working Group. Acquaintance with the "Proposals to Flare Star Observers" (Ref.1) may be useful to persons intending to join the Working Group. REFERENCE 1) A.D.Andrews, P.F.Chugainov, R,E.Gershberg, V.S.Oskanjan, I.B.V.S. No. 326, 1969 A.D. ANDREWS P.F. CHUGAINOV (Chairman) Armagh Observatory Crimean Astrophysical Observatory