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IAUC 8964: COMET C/2008 O3 (BOATTINI); C/2008 J7-J12

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IAUC number 

                                                  Circular No. 8964
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 C/2008 O3 (BOATTINI)
     A. Boattini, University of Arizona, reports his discovery of a
comet on CCD images taken with the Mt. Lemmon 1.5-m reflector
(discovery observation tabulated below); four co-added 24-s
exposures show moderate condensation, a coma diameter of 5"-6", and
a faint tail about 30" long in p.a. 250-255 deg.  Following posting
on the Minor Planet Center's 'NEOCP' webpage, S. Foglia and L.
Buzzi report that CCD images taken by R. Holmes with a 0.61-m
telescope at Charleston, IL, U.S.A., on Aug. 1.4 UT show a diffuse
coma of diameter 7", elongated in p.a. 235 deg.

     2008 UT             R.A. (2000) Decl.       Mag.
     July 29.46129    4 20 33.03   +21 01 34.8   19.4

The available astrometry, the following preliminary parabolic
orbital elements, and an ephemeris appear on MPEC 2008-P05.

     T = 2008 June  1.546 TT          Peri. = 339.806
                                      Node  =  48.343   2000.0
     q = 2.56893 AU                   Incl. =  31.342


COMETS C/2008 J7-J12 (SOHO)
     Further to IAUC 8962, additional apparent comets have been
found on SOHO website images, all Kreutz sungrazers except for
C/2008 J10 and C/2008 J12 (Meyer group); finder code GP = G. Pappa.
C/2008 J7 was very small and slightly diffuse (mag 7.5-8).  C/2008
J8 was very diffuse and very faint (mag about 8).  C/2008 J9 was
small and condensed (mag 7-7.5).  C/2008 J10 was small and
essentially stellar in appearance (mag about 7.5).  C/2008 J11 was
very small and slightly diffuse (mag about 8).  C/2008 J12 was
stellar in appearance; in C2 images it was of mag about 6.5, while
in C3 it appeared very small and faint.

 Comet        2008 UT       R.A.(2000)Decl.   Inst.  F    MPEC
 C/2008 J7    May  1.631     2 39.7  +13 50   C2     HS   2008-L48
 C/2008 J8         5.038     2 53.8  +14 54   C2     JR   2008-L48
 C/2008 J9         5.338     2 55.6  +15 01   C2     MK   2008-L48
 C/2008 J10        6.979     3 01.5  +17 34   C2     JR   2008-M10
 C/2008 J11        7.588     3 04.3  +15 39   C2     GP   2008-M10
 C/2008 J12        7.963     3 05.3  +17 32   C2/3   SY   2008-M10

                      (C) Copyright 2008 CBAT
2008 August 1                  (8964)            Daniel W. E. Green

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