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IAUC 8614: P/2005 T2; P/2005 T3; (809)

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IAUC number


                                                  Circular No. 8614
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)
CBAT@CFA.HARVARD.EDU (science)
URL http://cfa-www.harvard.edu/iau/cbat.html  ISSN 0081-0304
Phone 617-495-7440/7244/7444 (for emergency use only)


COMET P/2005 T2 (CHRISTENSEN)
     E. J. Christensen reports his discovery of a comet on CCD
images taken with the Mt. Lemmon Survey 1.5-m reflector, the object
showing a moderately condensed 7" coma with a faint 10" tail
spanning p.a. 220-240 deg on four co-added 180-s frames (discovery
observation tabulated below).

     2005 UT             R.A. (2000) Decl.       Mag.
     Oct.  7.21163    0 49 48.96   +18 35 58.7   19.9

The available astrometry, the following preliminary orbital
elements, and an ephemeris appear on MPEC 2005-T66.

     T = 2005 Mar. 18.933 TT          Peri. =  56.235
     e = 0.42490                      Node  = 258.152   2000.0
     q = 2.25287 AU                   Incl. =   8.762
       a =  3.91735 AU     n = 0.127121     P =   7.75 years


COMET P/2005 T3 (READ)
     M. T. Read reports his discovery of a comet on CCD mosaic
images obtained with the Spacewatch 0.9-m f/3 reflector, the object
noted as diffuse with a short tail toward the southeast (discovery
observation below).  Follow-up observations by J. V. Scotti with
the 1.8-m f/2.7 reflector on Oct. 8.41-8.48 UT show a possible very
faint tail.

     2005 UT             R.A. (2000) Decl.       Mag.
     Oct.  7.33306    2 00 18.71   +12 27 31.9   20.6

The available astrometry, the following very preliminary orbital
elements, and an ephemeris appear on MPEC 2005-T67.

     T = 2004 Nov. 20.230 TT          Peri. = 337.154
     e = 0.26759                      Node  =  27.805   2000.0
     q = 5.92218 AU                   Incl. =   5.804
       a =  8.08584 AU     n = 0.042866     P =  22.99 years


(809) LUNDIA
     A. Kryszczynska, Poznan Astronomical Observatory, and
colleagues have reported on CBET 239 that their observations
indicate a binary nature for (809) and call for additional
photometry and direct imaging.

                      (C) Copyright 2005 CBAT
2005 October 11                (8614)            Daniel W. E. Green

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