2013-01-02T18:22:13.000Z http://sot.lmsal.com Mr. Sam Freeland Lockheed Martin Solar and Astrophysics Laboratory (LMSAL) http://www.lmsal.com Lockheed Martin Advanced Tech Center, 3251 Hanover Rd, O/ADBS, B/252, Palo Alto, CA 94304 null null HINODE SOT Arikawa Katsukawa Katsukawa 0 HOP 87 penumbral filament Sunspot PEN PEN 11040 5 162 508 55 55 2010-01-13T11:00:31.000Z 2010-01-13T13:59:42.000Z 162 508 Structure and dynamics of penumbral filament G, Ca H, 4504, 1Kx1K, 1x1, 30 sec cadence Structure and dynamics of penumbral filament ivo://sot.lmsal.com/VOEvent#2010-01-13T11:00:00Z