Electronic Telegram No. 1735
Central Bureau for Astronomical Telegrams
INTERNATIONAL ASTRONOMICAL UNION
M.S. 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)
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SUPERNOVA 2009ao IN NGC 2939
     T. Puckett, Ellijay, GA, U.S.A., T. Orff, Shenandoah, PA, U.S.A., and M.
Marcus, Ellijay, report additional (apprarently unfiltered CCD) magnitudes
for SN2009ao (cf. CBETs 1711, 1725), from images obtained with a 0.60-m
reflector at Ellijay:  Mar. 21.16 UT, 16.6 (independent discovery); 22.17,
16.6.  They measured its position (average of two images) to be R.A. =
9h38m008s.56 +/- 0s.02, Decl. = +9o31'01".4 +/- 0".3 (equinox 2000.0).
A. Dimai, Cortina d'Ampezzo, Italy, reports the following unfiltered CCD
imagnitudes for 2009ao from images (limiting magnitude about 18.5) apparently
taken by E. Londero (Gemona, Italy) with the 0.5-m "Ullrich" telescope of the
Col Druscie Observatory on behalf of the CROSS program (cf. IAUC 7373):
Feb. 19, [19.0:; Mar. 20.90, 16.8 (independent discovery); 21.95, 16.7.  They
also provide position end figures 08s.89, 01".7 (which is 10" east and 25"
south of the center of NGC 2939) for 2009ao; their image from Mar. 20 is
posted at website http://www.cortinastelle.it/cross/SN-ngc2939_20090320.jpg.
E. Prosperi (Larciano, Italy, 0.35-m f/10 Schmidt-Cassegrain reflector)
writes that 2009ao was at unfiltered CCD mag 16.5 on Mar. 16.886.


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      superseded by text appearing later in the printed IAU Circulars.

                         (C) Copyright 2009 CBAT
2009 March 24                    (CBET 1735)              Daniel W. E. Green