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THE ASTRONOMER Electronic Circular No 2904      2013 Mar 23 15.27UT
Ed:Guy M Hurst, 16,Westminster Close, Kempshott Rise,  Basingstoke,
Hants, RG22 4PP,England.Telephone/FAX(01256)471074Int:+441256471074
INTERNET: GUY@TAHQ.DEMON.CO.UK      Backup: gmh@wdcc1.bnsc.rl.ac.uk
WORLD WIDE WEB                         http://www.theastronomer.org
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EDITOR'S ABSENCE
The editor will be away and not contactable for TA matters between March 
24 and April 4. During that period Nick James and Denis Buczynski will 
handle urgent matters such as the issue of circulars and any discovery 
claims. For the latter please additionally send a copy to the editor's 
mailbox to complete our records. Contact details for Nick and Denis 
appear in the first page of each issue of the magazine.

SUPERNOVA 2013ak IN ESO 430-20 (CHASE)
2013ak  Mar  9.23   08 07 06.69  -28 03 10.1  13.5  25.4"W    1.8"S
Image: http://www.flickr.com/photos/43846774@N02/8549210863/
D. MilisavljevicL: spectrum Mar 10 young type-II supernova not long 
after outburst

SUPERNOVA 2013al (KISS)
2013al  Mar  3.43   11 14 54.07  _29 35 06.0  19.2            3  "S
E.S. Walker: spectrum Mar 7 type-Ia near maximum

SUPERNOVA 2013am IN MESSIER 65 (MATSUO SUGANO)
2013am  Mar 21.63   11 18 56.95  +13 03 49.4  15.6  15  "E  102  "S
Sugano adds that nothing is visible at this position on a frame taken on 
2012 Dec 10. Additional unfiltered CCD magnitudes:  Mar.
22.11, 16.4 (Luppi and Buzzi, Italy; 0.38-m f/6.8 reflector); 22.74, 
15.8 (Toshihide Noguchi, Japan; end figures 56s.93, 49".3; mag 17.0; 
0.23-m f/6.3 Schmidt-Cassegrain reflector); image posted at: 
http://park8.wakwak.com/~ngc/images/PSNinM65.jpg
S. Benetti et.al., report noisy optical spectrogram of Mar. 22.84 UT 
shows SN 2013am is a young (few days after explosion)
type-II supernova.

Martin Mobberley reports to TAHQ:
Using AIP4Win and the Trondal sequence I derived a rough CR mag value of 
15.5 unfiltered for March 23.379 UT, but clearly, as with all SNe on top 
of a luminous galaxy background, this can only be an approximate 
estimate.

Guy M Hurst

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