[IAUC] CBET 3065: 20120322 : COMET P/2012 F4 (CATALINA)

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                                                  Electronic Telegram No. 3065
Central Bureau for Astronomical Telegrams
INTERNATIONAL ASTRONOMICAL UNION
CBAT Director:  Daniel W. E. Green; Hoffman Lab 209; Harvard University;
 20 Oxford St.; Cambridge, MA  02138; U.S.A.
e-mail:  cbatiau en eps.harvard.edu (alternate cbat en iau.org)
URL http://www.cbat.eps.harvard.edu/index.html
Prepared using the Tamkin Foundation Computer Network


COMET P/2012 F4 (CATALINA)
     Giovanni Sostero, Povoletto, Italy, reports the recovery of comet P/2005
JY126 (cf. IAUCs 8537, 8539) on images taken remotely by N. Howes, E. Guido,
A. Tripp and himself on Mar. 21.6 UT with the 2.0-m f/10 Ritchey-Chretien
"Faulkes Telescope South" at Siding Spring; stacked R-band exposures taken in
good seeing show that the object appears slightly "soft" compared to the nearby
field stars of similar brightness.  Follow-up R-band exposures taken remotely
by Guido, Howes, Sostero, and Tripp with a 0.25-m f/3.4 reflector that is part
of the iTelescope network near Mayhill, NM, U.S.A., show only a stellar aspect,
even when stacking images.  The astrometry provided by Sostero is given below.
The indicated correction to the prediction on MPC 69904 is Delta(T) = +0.01
day.

     2012 UT             R.A. (2000) Decl.       Mag.   Observer
     Mar. 21.59756   14 58 39.52   -13 32 23.2   19.6   Sostero
          21.60949   14 58 39.37   -13 32 19.4   19.7     "
          21.62739   14 58 39.12   -13 32 13.6   19.5     "
          21.62939   14 58 39.11   -13 32 13.0   19.5     "
          21.63138   14 58 39.08   -13 32 12.3   19.6     "
          22.39416   14 58 29.61   -13 28 07.8   19.7   Guido
          22.40505   14 58 29.46   -13 28 04.5   19.5     "
          22.42572   14 58 29.13   -13 27 58.5   19.7     "

The following linked orbital elements by G. V. Williams, from 246 observations
spanning 2005 Apr. 17-2012 Mar. 22 (mean residual 0".6), and an ephemeris
appear on MPEC 2012-F54.

                    Epoch = 2013 May  28.0 TT
     T = 2013 June  4.43213 TT        Peri. = 117.81293
     e = 0.4327779                    Node  = 207.86756 2000.0
     q = 2.1290405 AU                 Incl. =  20.24484
       a =  3.7534515 AU   n = 0.13553700   P =   7.27 years


NOTE: These 'Central Bureau Electronic Telegrams' are sometimes
      superseded by text appearing later in the printed IAU Circulars.

                         (C) Copyright 2012 CBAT
2012 March 22                    (CBET 3065)              Daniel W. E. Green