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IAUC 6211: 1995X; C/1995 O1; 6P; 58P

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IAUC number

                                                  Circular No. 6211
Central Bureau for Astronomical Telegrams
Postal Address: Central Bureau for Astronomical Telegrams
Smithsonian Astrophysical Observatory, Cambridge, MA 02138, U.S.A.
IAUSUBS@CFA.HARVARD.EDU or FAX 617-495-7231 (subscriptions)
Phone 617-495-7244/7440/7444 (for emergency use only)

     J. Mueller reports her discovery, on a red plate taken by D.
Griffith and herself on Aug. 3 UT with the 1.2-m Oschin Schmidt
Telescope in the course of the second Palomar Sky Survey, of a
supernova (mag about 18) located 10" west and 20" north of the
center of UGC 12160 (R.A. = 22h40m.8, Decl. = +75o09', equinox
2000.0).  J. Gizis, observing with the Palomar 1.5-telescope (+ CCD
direct camera), measured V-I = +1.7 on Aug. 4.
     A. V. Filippenko and D. C. Leonard, University of California
at Berkeley, report that CCD spectra (range 310-1000 nm, resolution
0.7-1.4 nm) obtained on Aug. 24 UT with the 3-m Shane reflector at
Lick Observatory show that SN 1995X is a type-II supernova.  The
prominent, broad H-alpha line has a P-Cyg profile.  The narrow H-
alpha emission line of a superposed H II region yields a redshift
of 0.0038.

     Total magnitude estimates (cf. IAUC 6202):  Aug. 4.62 UT, 10.5
(P. Camilleri, Cobram, Vic., Australia, 0.20-m reflector); 14.06,
10.1 (J. E. Bortle, Stormville, NY, 0.41-m reflector); 16.95, 10.3
(J. G. de S. Aguiar, Campinas, Sao Paulo, Brazil, 11x80 binoculars);
18.90, 10.4 (J. Carvajal, Madrid, Spain, 0.44-m reflector); 23.47,
10.0 (Camilleri).

     Total visual magnitude and coma-diameter estimates (cf. IAUC
6197):  Aug. 1.04 UT, 8.7, 12' (K. Sarneczky, Raktanya, Hungary,
20x60 binoculars); 3.00, 7.9, 12' (G. A. Milani, Eraclea, Italy,
20x80 binoculars); 18.08, 8.2, 15' (J. G. de S. Aguiar, Campinas,
Brazil, 11x80 binoculars); 19.35, 7.6, 18' (C. S. Morris, Lockwood
Valley, CA, 10x50 binoculars); 21.33, 7.9, 18' (A. Hale, Cloudcroft,
NM, 10x50 binoculars).

     Total magnitude estimates:  Aug. 4.93 UT, 15.0 (W. Hasubick,
Buchloe, Germany, 0.44-m reflector); 16.56, 15.2 (A. Nakamura,
Kuma, Ehime, Japan, 0.60-m reflector + CCD); 23.99, 14.5 (D.
Rodriguez, Madrid, Spain, 0.26-m reflector + CCD).

1995 August 24                 (6211)            Daniel W. E. Green

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