Circulaire No. 1249 BUREAU CENTRAL DES TELEGRAMMES ASTRONOMIQUES. UNION ASTRONOMIQUE INTERNATIONALE. Adresse postale: Bureau Central des telegrammes astronomiques, Observatory, Ostervold 3, Copenhagen K, Denmark. Address telegraphique: Observatory Copenhagen. PERIODIC COMET VAISALA 1 (1939 IV; 1949h) A telegram from Sternback, Praha, announces that Mrkos, Skalnate Pleso, has rediscovered periodic Comet Vaisala 1 in the following position: 1949 U.T. R.A. (1949.0) Decl. Mag. Dec. 19 4h 1m3 14 49 47.7 - 8 12 15 17 Object diffuse without central condensation, nothing reported about tail. Plate presumably measured by Sternberk. Correction to the ephemeris given in Circ. 1228: -1m1, +5' (corresponding to a change in T of Delta-T = about +0.9 days). OBSERVATIONS The following observations have been obtained by Mr. E. L. Johnson, Union Observatory, Johannesburg: Comet Shajn-Schaldach (1949e) 1949 U.T. R.A. (1949.0) Decl. Dec. 7.76317 0 12 9.02 - 4 3 40.5 13.78626 0 18 8.26 - 3 26 40.1 Fast moving asteroid Arend 1949(2). 1949 U.T. R.A. (1949.0) Decl. Dec. 7.77390 2 22 44.92 - 9 33 37.2 13.79838 2 23 41.34 - 9 54 30.4 1949 December 27 (1249) Julie M. Vinter Hansen
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