Current comet magnitudes (January 21) and observable region (January 16)
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Comet Magnitude Trend Observable When visible Last visual observation
Lemmon (2012 F6) 7 bright 25 N to 55 S best morning 2013 January
PanSTARRS (2011 L4) 7.5 bright 0 S to 55 S morning 2013 January
273P/Pons-Gambart (2012 V4) 9 fade 50 N to 20 N early morning 2013 January
LINEAR (2012 K5) 9.5 fade 75 N to 55 S best evening 2013 January
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置顶卡
变色卡
千斤顶
显身卡