Start Stop Study X-cen Y-cen Obs. Title 18:34:05 19:20:59 HPW021VEL120x512v2_b 121.8 -496.9 HOP 420 (Study of MHD Waves in the Chromosphere) AR 21:13:24 22:00:18 HPW021VEL120x512v2_b 120.0 -496.9 HOP 420 (Study of MHD Waves in the Chromosphere) AR