Electronic Telegram No. 2863
Central Bureau for Astronomical Telegrams
INTERNATIONAL ASTRONOMICAL UNION
CBAT Director:  Daniel W. E. Green; Hoffman Lab 209; Harvard University;
 20 Oxford St.; Cambridge, MA  02138; U.S.A.
e-mail:  cbatiau@eps.harvard.edu (alternate cbat@iau.org)
URL http://www.cbat.eps.harvard.edu/index.html
Prepared using the Tamkin Foundation Computer Network


SUPERNOVA 2011fe IN M101 = NGC 5457
     Magnitude estimates (cf. CBET 2804), unfiltered CCD unless noted
otherwise:  Aug. 28.822 UT, 12.1 (M. Lehky, Hradec Kralove, Czech Republic;
visual); 31.805, 10.9 (Lehky); Sept. 2.847, 10.8 (P. Schmeer, Bischmisheim,
Germany; visual); 5.776, 9.6 (Gianluca Masi, Ceccano, Italy); 8.759, 9.8
(Masi); 9.789, B = 10.4 +/- 0.2, V = 10.1 +/- 0.2, R = 10.0 +/- 0.2 (B. Mikuz
and H. Mikuz, Crni Vrh Observatory); 10.764, 9.7 (Masi); 10.776, B = 10.4 +/-
0.2, V = 10.1 +/- 0.2, R = 9.9 +/- 0.2 (B. Mikuz and J. Skvarc, Crni Vrh
Observatory); 12.771, B = 10.4 +/- 0.2, V = 10.2 +/- 0.2, R = 10.0 +/- 0.2
(B. Mikuz and H. Mikuz); 14.768, B = 10.4 +/- 0.2, V = 10.1 +/- 0.2, R = 10.0
+/- 0.2 (B. Mikuz and Skvarc); 21.767, B = 11.0 +/- 0.2, V = 10.4 +/- 0.2, R
= 10.4 +/- 0.2 (B. Mikuz and Skvarc); Oct. 7.419, 11.2 (S. Yoshida, Gunma,
Japan).


NOTE: These 'Central Bureau Electronic Telegrams' are sometimes
      superseded by text appearing later in the printed IAU Circulars.

                         (C) Copyright 2011 CBAT
2011 October 17                  (CBET 2863)              Daniel W. E. Green