Start Stop Study X-cen Y-cen Obs. Title 17:18:59 18:05:52 HPW021VEL120x512v2_b -160.7 388.9 HOP 0420(Study of MHD Waves in the Chromosphere) 21:34:27 22:21:21 HPW021VEL120x512v2_b -163.1 389.3 HOP 0420(Study of MHD Waves in the Chromosphere)