Electronic Telegram No. 144 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 SUPERNOVA 2005bu IN PGC 20840 Further to IAUC 8512, K. Shimasaki and W. Li report the LOSS discovery of an apparent supernova on unfiltered KAIT images taken on Apr. 21.19 (mag 17.4) and 22.16 UT (mag 17.5). SN 2005bu is located at R.A. = 7h22m18s.21, Decl. = +22o02'39".2 (equinox 2000.0), which is 7".3 east and 3".8 south of the nucleus of PGC 20840. A KAIT image taken on Apr. 1.18 showed nothing at this position (limiting mag 19.5). NOTE: These 'Central Bureau Electronic Telegrams' are sometimes superseded by text appearing later in the formal IAU Circulars. (C) Copyright 2005 CBAT 2005 April 22 (CBET 144) Daniel W. E. Green