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IAUC 6296: 1996 B1; CCO 1996

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                                                  Circular No. 6296
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)


COMET 1996 B1
     Edward W. Szczepanski, Houston, TX, reports his discovery of
a comet, observations of which are available as follows:

     1996 UT           R.A. (2000) Decl.        m1       Observer
     Jan. 27.455      14 08.0      +53 54      10.5      Szczepanski
          28.33       14 05.2      +53 44       9.3      Drake
          28.375      14 04.9      +53 43                Mitchell
          28.415      14 04.8      +53 45                Hale
          28.449      14 04.6      +53 45       8.2        "

E. W. Szczepanski (Houston Astronomical Society).  0.10-m refractor
   and 300-mm camera lens.  50-min exposures show diffuse, trailed
   images similar in appearance to NGC 5474, 30' to southwest.
K. Drake (Houston Astronomical Society).  0.44-m reflector.  Coma
   5'.5 x 4' in p.a. 80 deg, condensation shifted slightly west of center.
L. Mitchell (Houston Astronomical Society).  0.3-m reflector.
   Communicated by B. Wilson.
A. Hale (Cloudcroft, NM).  0.41-m reflector (position) and 10 x 50
   binoculars (magnitude).  Coma diameter 11', prominent central
   brightening slightly offset toward leading side of coma.


CATALOGUE OF COMETARY ORBITS 1996
     A new edition of the Catalogue of Cometary Orbits, complete
through the end of 1995, is now available.  It utilizes the new
system of cometary designations but includes detailed cross-references
with old systems.  Separate entries are given for individual
components of several split comets, yielding a total of 1498 entries
for 1470 cometary apparitions referring to 883 different comets, 185
of them of short period.  There is a tabulation giving osculating
elements for the 124 numbered periodic comets (except for five that are
lost) for the standard epochs 1996 Apr. 27 and Nov. 13.  'Original' and
'future' reciprocal semimajor axes are given for the 291 high-quality
long-period orbits.  The 110-page Catalogue sells for $20.00 ($30.00
for airmail delivery outside North America).  There are also diskette
and e-mail editions with the basic orbital information (the former
also with a program for computing ephemerides), and these cost $110.00
($120.00 by airmail) and $50.00, respectively.

                      (C) Copyright 1996 CBAT
1996 January 28                (6296)              Brian G. Marsden

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