Central Bureau for Astronomical Telegrams

Central Bureau for Astronomical Telegrams -- Image credits

IAUC 7936: 2002ea; C/2001 C7, 2001 D1, 2002 N1, 2002 O1, 2002 O2, 2002 O3; 57P

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IAUC number 

                                                  Circular No. 7936
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)


SUPERNOVA 2002ea IN NGC 820
     T. Puckett, Mountain Town, GA; and J. Newton, Osoyoos, BC,
report the discovery of an apparent supernova (mag 17.7) on an
unfiltered CCD frame (limiting mag 18.8) taken with the Puckett
Observatory 0.35-m automated patrol telescope on July 21.35 UT.
SN 2002ea is located at R.A. = 2h08m25s.08, DEC. = +14o20'52".8
(equinox 2000.0), which is 1".3 east and 6".2 south of the center
of NGC 820. The new object was confirmed on CCD frames taken on
July 22.38 by Puckett with a 0.60-m reflector, but it does not
appear on unfiltered images taken by Puckett on 2001 Nov. 11, 22,
2002 Jan. 13, and Feb. 2 (limiting mag about 20.5) or on Palomar
Sky Survey images taken on 1991 Oct. 12, 1990 Nov. 18 (limiting
mag about 21.0), and 1950 Aug. 14 (limiting mag about 19.7).


COMETS C/2001 C7, 2001 D1, 2002 N1, 2002 O1, 2002 O2, 2002 O3
     Further to IAUC 7935, D. Hammer reports measurements for six
additional comets found on SOHO website images by S. Hoenig
(C/2002 O2; C3 coronagraph), by R. Kracht (C/2001 C7 and C/2001 D1;
C2 coronagraph), by X. Leprette (C/2002 N1; C3 coronagraph), and
by R. Matson (C/2002 O1 and C/2002 O3; C3 coronagraph). The reduced
astrometry and orbital elements by B. G. Marsden appear on the
MPECs cited below.  C/2001 C7 belongs to the Meyer group (cf. IAUC
7832); C/2002 N1, C/2002 O1, C/2002 O2, and C/2002 O3 are Kreutz
sungrazers.

    Comet         2001 UT           R.A. (2000) Decl.   MPEC
    C/2001 C7     Feb. 11.579      21 45.6   -12 18     2002-O27
    C/2001 D1          18.406      21 59.7   -11 31     2002-O27

    Comet         2002 UT           R.A. (2000) Decl.   MPEC
    C/2002 N1     July  8.431       6 58.4   +20 40     2002-O27
    C/2002 O1          16.596       7 26.1   +18 17     2002-O33
    C/2002 O2          16.596       7 25.5   +18 16     2002-O33
    C/2002 O3          16.929       7 31.7   +19 20     2002-O33


COMET 57P/DU TOIT-NEUJMIN-DELPORTE
     Corrigendum.  On IAUC 7935, line 7, for S read T

                      (C) Copyright 2002 CBAT
2002 July 22                   (7936)          Carl W. Hergenrother

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