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Terry: SN2006X M100

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Terry: SN2006X M100 was created by albertw

Hi all,

The Central Bureau for Astronomical Telegrams report in Circular No. 8667 and in Electronic Telegram No. 393 the discovery of a supernova in this well known galaxy at about magnitude 15.3 and brightening.
It's in Coma, magnitude 9.3, and is a SB spiral (subtype SBbc)
Those of you with CCD cameras and moderately powerful telescopes should easily be able to image the supernova.

SUPERNOVAE 2006X was discovered independently by Shoji Suzuki (Ooami-Shirasato, Chiba, Japan, via twelve CCD frames taken on Feb. 4 with a 0.32-m f/9 telescope + SBIG infrared-cut filter; and by M. Migliardi (Cortina, Italy)

SN 2006 UT R.A. (2000.0) Decl. Mag. Offset
2006X Feb. 7.10 12 22 53.99 +15 48 33.1 15.3 12" W, 48" S
It is stated that the supernova does not appear on Palomar Sky Survey infrared, red, and blue plates.
R. Quimby, University of Texas; P. Brown, Pennsylvania State University; and C. Gerardy, Imperial College, report that a spectrogram obtained on Feb. 8.35 UT with the 9.2-m Hobby-Eberly Telescope under poor conditions, shows it to be an early type-Ia supernova.
R. Quimby and M. Sellers, University of Texas, add that SN 2006X appeared at mag about 15.3 on unfiltered CCD images taken on Feb. 7.31 UT with the 0.45-m ROTSE-IIIb telescope at the McDonald Observatory; the position for 2006X was measured as R.A. =
12h22m53s.88, Decl. = +15o48'31".9 (equinox 2000.0; uncertainty +/- 0".6).

Exerpted from (and with additions): (C) Copyright 2006 CBAT
2006 February 8 (CBET 393) Daniel W. E. Green

Clear Skies,

Terry Moseley
Albert White MSc FRAS
Chairperson, International Dark Sky Association - Irish Section
www.darksky.ie/
16 years 11 months ago #23299

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