Circular No. 8470

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)

SUPERNOVAE 2005M AND 2005N

Two apparent supernovae have been reported from unfiltered CCD
frames:  2005M by T. Puckett and D. George (cf. IAUC 8460; 0.60-m
automated supernova patrol telescope), and 2005N by J. Graham and
W. Li (cf. IAUC 8460; LOSS/KAIT).

SN      2005 UT        R.A.  (2000.0)  Decl.    Mag.     Offset
2005M   Jan. 19.37    9 37 32.36  +23 12 02.7   18.8   6".6 W, 10".8 S
2005N   Jan. 19.58   14 04 02.61  -14 37 48.8   18.8   39" E, 48" S

Additional approximate CCD magnitudes by the respective discoverers:
SN 2005M in NGC 2930, 2002 Apr. 4 UT, [20.0; 2005 Jan. 20.22, 18.2.
SN 2005N in NGC 5420, 2004 July 9.21, [20.0; 2005 Jan. 20.55, 18.3.

Host galaxy info: vel = 4923 km/s, 1.4 x 0.6, 14.08, Sb:

SN type info: Ibc

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