Start Stop Study X-cen Y-cen Obs. Title 16:07:19 17:12:11 GDZ_PLUME1_2_300_50s -20.2 908.7 HOP 404 plume 17:54:22 21:04:14 GDZ_PLUME1_2_300_150 -22.6 908.7 HOP 404 plume