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IAUC 8840: 2007 K5; (88611); C/2006 P1; 96P

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                                                  Circular No. 8840
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://www.cfa.harvard.edu/iau/cbat.html  ISSN 0081-0304
Phone 617-495-7440/7244/7444 (for emergency use only)


COMET 2007 K5
     T. Lovejoy, Thornlands, Queensland, Australia, reports his
discovery of a comet on twelve 90-s CCD images obtained on May 26
with a 200-mm f/2.8 camera lens, the object reported as circular,
1' across, with a clear blue-green color but no tail.  J. Drummond
(Gisborne, New Zealand, 0.20-m f/4.6 reflector) writes that his
confirming images from May 28, obtained at altitude about 15 deg,
show a moderately condensed coma of diameter about 1' and no tail.
The following reported positions include precise astrometry by R. H.
McNaught from images obtained with the 0.5-m Uppsala Schmidt
telescope at Siding Spring, who reported a circular coma 0'.6 in
diameter.  Additional accurate astrometry is needed.

     2007 UT             R.A. (2000) Decl.       Mag.   Observer
     May  26.3424     5 50 24.9    -15 09 16     13     Lovejoy
          26.3458     5 50 25.4    -15 09 11              "
          28.28       6 00 18.2    -15 05 39.7   13     Drummond
          28.31       6 00 24.87   -15 05 42.6            "
          28.3458     6 00 34.4    -15 04 56     13     Lovejoy
          28.3556     6 00 34.5    -15 05 07              "
          29.27       6 05 15.77   -15 03 34.6          Drummond
          29.34201    6 05 38.82   -15 03 15.2          McNaught
          29.34442    6 05 39.56   -15 03 15.0            "
          29.34673    6 05 40.25   -15 03 14.8   13.8     "


(88611) TEHARONHIAWAKO I (SAWISKERA)
     The companion to minor planet (88611) Teharonhiawako = 2001
QT_297 (cf. IAUCs 7733 and 7765) has been named Sawiskera (cf. MPC
59388).


COMET C/2006 P1 (McNAUGHT)
     Total visual magnitude estimates by S. Rae, Hamilton, New
Zealand:  Mar. 9.38 UT, 6.2 (10x50 binoculars); 18.65, 6.5; 20.64,
6.7; 23.64, 8.4 (0.25-m reflector); 26.65, 8.7; Apr. 9.31, 9.3;
15.31, 9.5; 18.68, 9.6; 22.36, 9.7; 24.47, 9.6; May 12.35, 10.1.


COMET 96P/MACHHOLZ
     Total visual magnitudes by J. Gonzalez, Leon, Spain:  Apr.
13.18 UT, 7.2 (25x100 binoc.); 18.16, 8.2; 22.17, 8.8; May 9.05,
10.9 (0.20-m refl.).

                      (C) Copyright 2007 CBAT
2007 May 29                    (8840)            Daniel W. E. Green

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