[IAUC] CBET 854: 20070221 : SUPERNOVAE 2007ac AND 2007ad

[IAUC mailing list]

                                                  Electronic Telegram No. 854
Central Bureau for Astronomical Telegrams
INTERNATIONAL ASTRONOMICAL UNION
M.S. 18, Smithsonian Astrophysical Observatory, Cambridge, MA 02138, U.S.A.
IAUSUBS en CFA.HARVARD.EDU or FAX 617-495-7231 (subscriptions)
CBAT en CFA.HARVARD.EDU (science)
URL http://cfa-www.harvard.edu/iau/cbat.html


SUPERNOVAE 2007ac AND 2007ad
     T. Puckett and P. Gray report the discovery of two apparent
supernovae on CCD images taken at Ellijay, GA, in the course of the
Puckett Observatory Supernova Search; 2007ac was found with a 0.60-m
reflector (limiting mag 19.7), and 2007ad with a 0.50-m reflector
(limiting mag 19.3).

SN       2007 UT         R.A. (2000.0) Decl.     Mag.    Offset
2007ac   Feb. 19.44   16 47 02.36  +40 08 47.6   17.5    2".0 W, 8".7 N
2007ad   Feb. 19.47   17 24 24.58  +44 56 15.9   17.4    4".9 E, 10".7 S

Additional magnitudes for 2007ac in UGC 10550:  2005 Dec. 19, [19.0
(Puckett); 2007 Feb. 21.43, 17.5 (J. Newton, Portal, AZ, 0.40-m
reflector).  Additional magnitudes for 2007ad in UGC 10845:  2005 Dec.
19, [19.0 (Puckett); 2007 Feb. 21.46, 17.5 (Newton).


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      superseded by text appearing later in the printed IAU Circulars.

                         (C) Copyright 2007 CBAT
2007 February 21                 (CBET 854)               Daniel W. E. Green