Space Weather News for Nov. 14, 2013 http://spaceweather.com/ COMET ISON OUTBURST: Observers around the world are reporting a sharp increase in the brightness of sundiving Comet ISON. Formerly dim, it is now on the threshold of naked-eye visibility. Comet ISON is plunging toward the sun for a perilous pass through the solar atmosphere on Thanksgiving Day (Nov. 28th). This could be the first of many brightening events as intensifying solar heat erodes material away from the comet’s nucleus. UPDATE: November 28, 2013 ALERT: Unofficial report Comet ISON is definitely into negative magnitudes as seen in LASCO C3. ISON is currently not visible to observers as it is located behind the sun.