Electronic Telegram No. 938 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://www.cfa.harvard.edu/iau/cbat.html NOVA IN M81 K. Hornoch, Lelekovice, Czech Republic, reports the following additional magnitude estimates of the second (brighter) nova announced on CBET 924. All magnitudes are from unfiltered CCD images using R-band magnitudes for comparison stars measured by Hornoch, and the observers are indicated below: Apr. 15.861 UT, 18.1 (V. Pribik, 0.265-m reflector at Zlin, Czech Republic); 15.902, 18.1 (K. Hornoch, 0.35-m reflector at Lelekovice); 15.91, 18.4 (L. Donato and G. Sostero, 0.45-m reflector at Remanzacco Observatory, Italy); 16.875, 18.3 (P. Cagas, 0.265-m reflector at Zlin); 16.917, 18.4 (Hornoch); 17.83, 18.5 (M. Gonano and V. Gonano, 0.45-m reflector at Remanzacco Observatory, Italy); 17.853, 18.5 (P. Cagas and V. Pribik); 18.894, 18.6 (Hornoch). NOTE: These 'Central Bureau Electronic Telegrams' are sometimes superseded by text appearing later in the printed IAU Circulars. (C) Copyright 2007 CBAT 2007 April 23 (CBET 938) Daniel W. E. Green