Circular No. 6907 Central Bureau for Astronomical Telegrams INTERNATIONAL ASTRONOMICAL UNION Mailstop 18, Smithsonian Astrophysical Observatory, Cambridge, MA 02138, U.S.A. IAUSUBS@CFA.HARVARD.EDU or FAX 617-495-7231 (subscriptions) BMARSDEN@CFA.HARVARD.EDU or DGREEN@CFA.HARVARD.EDU (science) URL http://cfa-www.harvard.edu/iau/cbat.html Phone 617-495-7244/7440/7444 (for emergency use only) SUPERNOVA 1998bu IN NGC 3368 Y. D. Mayya and I. Puerari, Instituto Nacional de Astrofisica Optica y Electronica, Puebla; and O. Kuhn, Instituto de Astronomia, UNAM, Ensenada, report the following photometric magnitudes (+/- 0.05 mag) obtained with the Observatorio Astronomico Nacional 2.1-m telescope (+ CAMILA/NICMOS 3 camera) at San Pedro Martir, Mexico: May 11.30-11.31 UT, J = 11.77, H = 11.73, K = 11.81; 12.15-12.19, 11.67, 11.66, 11.67; 14.15-14.21, 11.49, 11.58, 11.42. (C) Copyright 1998 CBAT 1998 May 16 (6907) Daniel W. E. Green