CBET 1521 lists the following unfiltered CCD observations: 2008 July 28.687 (JD 2454676.187), m(CV) < 18.0; 2008 Sept 19.130 (JD 2454728.630), m(CV) = 14.3; 2008 Sept 20.128 (JD 2454729.628), m(CV) = 14.2; 2008 Sept 22.125 (JD 2454731.625), m(CV) = 14.1; 2008 Sept 23.118 (JD 2454732.618), m(CV) = 14.2; 2008 Sept 24.118 (JD 2454733.618), m(CV) = 14.2; 2008 Sept 26.123 (JD 2454735.623) m(CV) = 14.2. CBET 1521 also gives the following filtered magnitudes: 2008 Sept 22.125 (JD 2454731.625), m(V) = 14.0, (B-V) ~ -0.2.
NGC 3261 is a face-on barred spiral. The supernova lies 52 arcseconds west and 30 arcseconds south of the nucleus, and is between spiral arms.
Supernova 2008fw is located at the following coordinates:
RA: 10 28 55.97 , Dec: -44 39 55.6 (J2000)
A comparison star sequence is not yet available, but finder charts may be plotted using VSP:
It is advisable to check the "Use DSS Image" option so that NGC 3261 is included on the chart.
Please SUBMIT OBSERVATIONS TO THE AAVSO with the name "SN 2008fw" (AUID 000-BFT-973).
Good observing,
Matthew Templeton
Staff Astronomer, AAVSO
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