Electronic Telegram No. 399 Central Bureau for Astronomical Telegrams INTERNATIONAL ASTRONOMICAL UNION M.S. 18, Smithsonian Astrophysical Observatory, Cambridge, MA 02138, U.S.A. IAUSUBS@CFA.HARVARD.EDU or FAX 617-495-7231 (subscriptions) CBAT@CFA.HARVARD.EDU (science) URL http://cfa-www.harvard.edu/iau/cbat.html RS OPHIUCHI This recurrent nova appears to be in outburst for the first time since 1985 (cf. IAUC 4030, 4031), as indicated by the following visual magnitude estimates communicated by K. Hirosawa (Aichi, Inazawa-shi, Japan): Feb. 12.829 UT, 4.5 (H. Narumi, Ehime, Kita-gun, Japan); 12.847, 4.6 (K. Kanai, Gunma, Isezaki-shi, Japan); 12.862, 4.4 (Kanai). W. Renz, Karlsruhe, Germany, provides his confirming visual magnitude estimates: Feb. 13.163, 4.8; 13.181, 4.8. NOTE: These 'Central Bureau Electronic Telegrams' are sometimes superseded by text appearing later in the printed IAU Circulars. (C) Copyright 2006 CBAT 2006 February 13 (CBET 399) Daniel W. E. Green