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IAUC 6513: EG Cnc; 1996bv; C/1995 O1; C/1996 Q1

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                                                  Circular No. 6513
Central Bureau for Astronomical Telegrams
INTERNATIONAL ASTRONOMICAL UNION
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)
BMARSDEN@CFA.HARVARD.EDU or DGREEN@CFA.HARVARD.EDU (science)
Phone 617-495-7244/7440/7444 (for emergency use only)


EG CANCRI
     P. Schmeer, Bischmisheim, Germany, reports that this probable
SU UMa-type dwarf nova is in outburst for the first time since 1977
Nov., when it reached mpv = 11.9 (IBVS 2401, 2926).  E. Waagen,
American Association of Variable Star Observers, reports that AAVSO
data confirm no outbursts since the early 1980s, when the star was
added to their program.  The following visual magnitude estimates
are partly from Waagen:  Nov. 21.082 UT, [15.2 (G. Poyner,
Birmingham, England); 21.23, [13.7 (P. Schmeer, Bischmisheim,
Germany); 30.917, 12: (Schmeer); 30.951, 12.0 (Schmeer); 30.989,
11.8 (Schmeer); Dec. 1.021, 12.1 (T. Vanmunster, Landen, Belgium);
1.248, 11.7 (Schmeer); 2.298, 12.0 (G. Hanson, Cave Creek, AZ);
2.333, 11.4: (T. Burrows, Novato, CA).


SUPERNOVA 1996bv IN UGC 3432
     M. Cavagna, Sormano, Italy, report the following precise
position of SN 1996bv, obtained with the 0.5-m reflector (+ CCD) on
Nov. 22.968 UT:  R.A. = 6h16m13s.00, Decl. = +57o03'08".9 (equinox
2000.0).  D. Balam, University of Victoria, reports a preliminary
magnitude of V = 15.5 +/- 0.4, obtained on Nov. 23 with the 1.82-m
Plaskett telescope at the Dominion Astrophysical Observatory
(National Research Council of Canada), and the following position
end figures:  13s.04, 08".4.


COMET C/1995 O1 (HALE-BOPP)
     Total (visual) magnitude and coma-diameter estimates:  Nov.
5.73 UT, 4.9, -- (R. J. Bouma, Groningen, The Netherlands, 7x50
binoculars); 8.75, 4.7, about 15' (M. V. Zanotta, San Marco Pass,
Italy, naked eye); 10.06, 4.6, -- (A. Hale, Cloudcroft, NM, naked
eye); 20.06, 4.6, -- (R. Keen, Mt. Thorodin, CO, naked eye); 27.72,
4.5, 12' (B. H. Granslo, Tryvann, Oslo, Norway, 10x50 binoculars);
29.78, 4.4, 9' (A. Pereira, Cabo da Roca, Portugal, 9x34
binoculars); Dec. 1.71, 4.2, about 35' (H. Mikuz, Ljubljana,
Slovenia, 0.20-m f/2 Baker-Schmidt camera + V filter + CCD).


COMET C/1996 Q1 (TABUR)
     Total visual magnitude and coma-diameter estimates by K.
Hornoch, Lelekovice, Czech Republic (B = 10x80 binoculars; L =
0.35-m reflector):  Nov. 6.72 UT, 8.7, 7' (B); 8.73, 9.6:, 12'
x 6' (B); 23.18, 9.4, 7' (L).

                      (C) Copyright 1996 CBAT
1996 December 2                (6513)            Daniel W. E. Green

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