http://cometography.com/lcomets/2011l4.htmlThe comet attained a declination of -24.9 degrees on 2012 August 4 and then turned southward.
The comet will reach a minimum solar elongation of 12 degrees on 2012 November 27.
The comet will reach a maximum solar elongation of 35 degrees on 2013 February 2.
The comet will reach a southerly declination of -45.6 degrees on 2013 February 5 and then turned northward.
The comet will pass closest to Earth on 2013 March 5 (1.10 AU).
The comet could be brightest between March 8-12,
with a magnitude near -0.5. (JPL HORIZONS prediction)
=> 2013/ 3月
看圖好像在仙女
The comet will be closest to the sun on 2013 March 10 (0.30 AU).
The comet will reach a minimum solar elongation of 15 degrees on 2013 March 11.
The comet will attained its most northerly declination of +85.2 degrees on 2013 May 28.
The comet will reach a maximum solar elongation of 79 degrees on 2013 July 2.
我們看到時亮度會多亮 ?
觀星論壇 
