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PostPosted: 11. March 2019, 09:48:09 AM 
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Meister
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Joined: 20. January 2013, 20:03:54 PM
Posts: 502
Location: Leipzig
Erwin Schwab aus unserer Fachgruppe kann eine nächste Wiederentdeckung vermelden. Ausnahmsweise stelle ich deshlab de gesamte CBET-Nachricht ein:
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COMET P/2019 E1 = P/2003 L1 (SCOTTI)
    E. Schwab, Egelsbach, Germany, reports the recovery of comet P/2003 L1
(cf. IAUCs 8145, 8153) on CCD images obtained by D. Abreu with the 1.0-m f/4.4
reflector at the European Space Agency's Optical Ground Station at Tenerife,
Spain (astrometry tabulated below).  The comet shows a faint tail extending
about 10" in p.a. 300 degrees in what is apparently a stacked image totalling
600 s of exposure time.

    2019 UT             R.A. (2000) Decl.       Mag.   Observer
    Mar.  9.10987   11 35 12.12   - 6 40 13.0   20.3   Abreu
          9.11741   11 35 11.92   - 6 40 11.7   20.3     "
          9.12493   11 35 11.70   - 6 40 10.3   20.3     "
         10.09125   11 34 46.85   - 6 37 09.7   20.4     "
         10.09879   11 34 46.66   - 6 37 08.0   20.3     "
         10.10633   11 34 46.44   - 6 37 06.7   20.2     "

The indicated correction to the prediction by S. Nakano in the ICQ's 2019
Comet Handbook is Delta(T) = -0.17 day.  The following linked orbital elements
by G. V. Williams, from 75 observations spanning 2002 Apr. 5-2019 Mar. 10
(mean residual 0".4), appear on MPEC 2019-E80.

                   Epoch = 2020 July 10.0 TT
    T = 2020 July 11.30192 TT        Peri. = 354.97025
    e = 0.2527396                    Node  = 226.05927 2000.0
    q = 5.0167158 AU                 Incl. =   9.02208
      a =  6.7134778 AU   n = 0.05666080   P =  17.4 years


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     superseded by text appearing later in the printed IAU Circulars.

                        (C) Copyright 2019 CBAT
2019 March 10                    (CBET 4612)              Daniel W. E. Green

_________________
Uwe Pilz, Fachgruppen Kometen und Astrophysik/Algorithmen.
Oft benutzte Instrumente: Swarovski SLC 7x50B, Fujinon 16x70 FMT-SX-2, TMB Apo 105/650, Ninja Dobson 320/1440


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