Start Stop Study X-cen Y-cen Obs. Title 09:56:03 11:59:51 HPW021_VEL_240x512v1 -517.5 305.9 Tracking AR across disk. 18:40:26 20:44:15 HPW021_VEL_240x512v1 -518.1 304.4 Tracking AR across disk.