COMET DATE (UT) MM MAG. RF AP. T F/PWR COMA DC TAIL PA OBS. 2006W3 2009 08 18.90 M 8.3 TI 25 L 5 63 6.5 5/ ICQ XX HOR03 2006W3 2009 08 19.92 M 8.4 TI 25 L 5 63 7.0 5 0.1 220 ICQ XX HOR03 2006W3 2009 08 20.87 M 8.4 TI 25 L 5 63 7.0 5 0.1 220 ICQ XX HOR03 2006W3 2009 08 23.87 M 8.5 TI 13.5R16 55 6.0 5/ 0.1 225 ICQ XX HOR03 2006W3 2009 08 25.86 M 8.6 TI 13.5R16 55 6.0 5/ ICQ XX HOR03 2006W3 2009 08 29.93 M 8.8 TI 35 L 5 44 7.0 5 ICQ XX HOR03 2006W3 2009 09 19.92 M 9.3 TI 35 L 5 44 6.5 5 0.2 300 ICQ XX HOR03 Comet C/2006 W3 (Christensen) => 2009 Aug. 19.92: 11.3 magnitude star in coma [HOR03]. 2009 Aug. 20.87: 10.0 magnitude star in coma [HOR03]. 2009 Sep. 19.92: 10.85 magnitude star in coma [HOR03].