Start Stop Study X-cen Y-cen Obs. Title 16:38:58 17:25:50 HPW021VEL120x512v2_b -334.9 394.2 HOP 0420(Study of MHD Waves in the Chromosphere) 20:58:56 21:45:49 HPW021VEL120x512v2_b -337.1 394.4 HOP 0420(Study of MHD Waves in the Chromosphere)