2014-07-28T20:45:19.000Z http://sot.lmsal.com Ted Tarbell LMSAL http://lmsal.com 3251 Hanover Rd, O/ADBS, B/252, Palo Alto, CA, 94304 +1-650-424-2400 tarbell@lmsal.com Hinode SOT Hosoi Matsumoto DeRosa (RCO) 240 240 null HOP240 (south pole) QS QS S. Pole 4 -7 -972 0 0 2014-07-30T10:53:00.000Z 2014-07-30T18:14:35.000Z -7 -972 Temporal Evolution and Magnetic Polarity Reversal of the Sun's Polar Magnetic Patches HOP81, Na IV + Gband, Full FOV 1. To understand the temporal evolution of the polar magnetic patches and the appearance of faculae within magnetic patches during the solar cycle. 2. To understand the interaction of polar magnetic patches with opposite polarity magnetic elements leading to polarity reversal.