Start Stop Study X-cen Y-cen Obs. Title 16:02:20 17:07:12 GDZ_PLUME1_2_300_50s -26.0 887.4 HOP 404 plume 17:07:44 20:17:36 GDZ_PLUME1_2_300_150 -27.9 887.2 HOP 404 plume 20:17:44 21:22:35 GDZ_PLUME1_2_300_50s -34.0 887.2 HOP 404 plume