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IAUC 7212: 1999cx and 1999cy; C/1999 M2; V364 Peg; N IN NGC 6822

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                                                  Circular No. 7212
Central Bureau for Astronomical Telegrams
Mailstop 18, Smithsonian Astrophysical Observatory, Cambridge, MA 02138, U.S.A.
IAUSUBS@CFA.HARVARD.EDU or FAX 617-495-7231 (subscriptions)
URL http://cfa-www.harvard.edu/iau/cbat.html  ISSN 0081-0304
Phone 617-495-7244/7440/7444 (for emergency use only)

SUPERNOVAE 1999cx and 1999cy
     J. Maza, University of Chile; and M. Hamuy, University of
Arizona, report the discovery by M. Wischnjewsky of two apparent
supernovae on 20-min unfiltered T-Max films taken by L. E. Gonzalez
with the University of Chile's Maksutov telescope at Cerro El Roble:

SN      1999 UT      R.A.  (2000.0)  Decl.     Mag.     Offset
1999cx  May 14.15  12 07 49.17  -20 00 22.8    18.5   4" W, 7" S
1999cy  May 13.36  11 18 49.47  + 0 37 08.7    18.0   7" W, 7" N

Confirmation of both supernovae was made by Hamuy on CCD B and V
images obtained on May 19.14 and 19.13 UT with the European
Southern Observatory 3.5-m New Technology Telescope.  SN 1999cx is
not visible on a film obtained with the Cerro El Roble telescope on
Apr. 21.27 (limiting mag > 20), and SN 1999cy is not visible on a
film taken on Apr. 16.09 (limiting mag > 20).

COMET C/1999 M2 (SOHO)
     D. A. Biesecker, SM&A Corporation and Goddard Space Flight
Center, reports observations of another apparent Kreutz sungrazing
comet that he discovered in images taken with the C2 coronagraph
aboard SOHO.  A short tail was visible.  Astrometric measurements
made by Biesecker (and reduced by G. V. Williams), together with
orbital elements by B. G. Marsden, are given on MPEC 1999-M40.

     1999 UT            R.A. (2000) Decl.
     June 27.314       6 17.3       +21 50

     J. Y. Wei, J. Y. Hu, Y. L. Qiu, and Q. Y. Qiao, Beijing
Astronomical Observatory (BAO), report that V364 Peg (cf. IAUC
7159) was at unfiltered CCD magnitude 16.4 on June 11.77 UT.

     B. A. Skiff, Lowell Observatory, has posted a list of reliable
photometric comparison stars (12 < V < 21) within 5' of this
apparent nova (cf. IAUC 7211) at

                      (C) Copyright 1999 CBAT
1999 June 30                   (7212)            Daniel W. E. Green

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