February 15, 2013: As noted by Alexandre Amorim in the AAVSO Forums, a bright transient [SN 2013aa] has appeared in the fringes of the face-on spiral galaxy NGC 5643, and has been published on the Transient Objects Confirmation Page at Harvard. (See http://www.cbat.eps.harvard.
Both visual and CCD observations are encouraged, as is spectroscopy; spectroscopy could enable classification of this object, and should also be reported to CBAT (see http://www.cbat.eps.harvard.
The object is located at the following (J2000) coordinates:
RA: 14 32 33.88 , Dec: -44 13 27.8
A sequence for the field has been created by Mati Morel, and is available through AAVSO's Variable Star Plotter (http://www.aavso.org/vsp).
If this object is confirmed as a supernova, we will issue an Alert Notice within 1-2 days.
Please promptly submit all observations to the AAVSO International Database via WebObs using the name "PSN J14323388-4413278".
This AAVSO Special Notice was prepared by M. Templeton.
Information on submitting observations to the AAVSO may be found at:
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