Event label Optional label Method/Device Abbreviation O2A Registry URI Date/Time Latitude Longitude Elevation Date/Time end Latitude end Longitude end Elevation end Comment AL644-track Underway cruise track measurements CT 2025-11-17T04:56:55 54.32847 10.17943 2025-11-28T18:56:50 54.32851 10.17946 Kiel - Kiel AL644_0_Underway-1 Thermosalinograph TSG 2025-11-17T07:12:24 54.33700 10.16540 -15 2025-11-28T00:00:00 54.36535 10.17023 AL644_1-1 CTD/Rosette CTD-RO 2025-11-17T09:15:27 54.53850 10.03630 -12 AL644_2-1 Mooring MOOR 2025-11-17T09:22:30 54.53820 10.03620 -12 AL644_3-1 Multibeam MB 2025-11-17T09:35:13 54.53490 10.03910 -17 2025-11-17T10:02:48 54.53900 10.03690 -12 AL644_0_Underway-7 Kongsberg EM2040 multibeam echosounder (Kongsberg Maritime) https://registry.o2a-data.de/items/13498 2025-11-17T09:42:00 54.53480 10.03590 2025-11-28T02:07:04 54.59220 10.91990 Event shows start/end point (date/time & coordinates) of first/last data record using Kongsberg EM 2040 multibeam echosounder during cruise AL644 AL644_4-1 Multibeam MB 2025-11-18T02:14:29 54.73420 14.33570 -14 2025-11-18T05:49:59 54.73720 14.25180 -14 AL644_5-1 CTD/Rosette CTD-RO 2025-11-18T05:55:06 54.73670 14.24910 -14 AL644_6-1 Acoustic Receiver Mooring ACREC 2025-11-18T06:56:37 54.81070 14.36930 -17 AL644_7-1 Mooring MOOR 2025-11-18T07:33:20 54.78350 14.39140 -8 AL644_8-1 Mooring MOOR 2025-11-18T08:14:10 54.78850 14.28700 -11 AL644_9-1 CTD/Rosette CTD-RO 2025-11-18T08:52:10 54.79920 14.25090 -18 2025-11-18T08:54:29 54.79930 14.25100 -17 AL644_10-1 CTD/Rosette CTD-RO 2025-11-18T09:17:22 54.79920 14.25090 -19 2025-11-18T09:19:38 54.79930 14.25100 -18 AL644_11-1 CTD/Rosette CTD-RO 2025-11-18T09:34:19 54.79920 14.25090 -18 2025-11-18T09:36:03 54.79920 14.25100 -18 AL644_12-1 Acoustic Receiver Mooring ACREC 2025-11-18T09:53:57 54.79040 14.23570 -17 AL644_13-1 Acoustic Receiver Mooring ACREC 2025-11-18T10:37:43 54.75880 14.36460 -11 AL644_14-1 Acoustic Receiver Mooring ACREC 2025-11-18T11:09:15 54.76150 14.31040 -11 AL644_15-1 Acoustic Receiver Mooring ACREC 2025-11-18T11:43:44 54.76360 14.25900 -12 AL644_16-1 CTD/Rosette CTD-RO 2025-11-18T12:42:19 54.75000 14.25120 -17 AL644_16-2 CTD/Rosette CTD-RO 2025-11-18T12:57:59 54.75100 14.25180 -15 AL644_17-1 CTD/Rosette CTD-RO 2025-11-18T13:26:28 54.73990 14.24020 -19 AL644_18-1 Multibeam MB 2025-11-18T14:01:22 54.73690 14.25400 -17 2025-11-19T00:46:07 54.73370 14.25070 -17 AL644_19-1 CTD/Rosette CTD-RO 2025-11-18T19:30:51 54.73040 14.31850 -13 AL644_20-1 Multibeam MB 2025-11-19T01:23:52 54.76130 14.32110 -13 2025-11-19T06:39:07 54.76130 14.25500 -13 AL644_21-1 CTD/Rosette CTD-RO 2025-11-19T06:45:48 54.76040 14.25100 -19 AL644_22-1 Acoustic Receiver Mooring ACREC 2025-11-19T07:08:16 54.76550 14.20550 -22 AL644_23-1 Acoustic Receiver Mooring ACREC 2025-11-19T07:31:08 54.74070 14.17630 -29 AL644_24-1 Acoustic Receiver Mooring ACREC 2025-11-19T08:18:21 54.73640 14.28040 -12 AL644_25-1 Acoustic Receiver Mooring ACREC 2025-11-19T08:39:30 54.73390 14.33210 -17 AL644_26-1 Acoustic Receiver Mooring ACREC 2025-11-19T09:01:11 54.73140 14.38440 -18 AL644_27-1 Acoustic Receiver Mooring ACREC 2025-11-19T09:27:32 54.70440 14.40730 -17 AL644_28-1 Acoustic Receiver Mooring ACREC 2025-11-19T09:49:30 54.70710 14.35640 -19 AL644_29-1 Acoustic Receiver Mooring ACREC 2025-11-19T10:22:59 54.70940 14.30410 -23 AL644_30-1 Acoustic Receiver Mooring ACREC 2025-11-19T10:48:43 54.71170 14.24320 -21 AL644_31-1 CTD/Rosette CTD-RO 2025-11-19T11:11:15 54.71530 14.23450 -25 AL644_32-1 CTD/Rosette CTD-RO 2025-11-19T11:11:15 54.71530 14.23450 -25 AL644_33-1 Acoustic Receiver Mooring ACREC 2025-11-19T11:25:31 54.71550 14.23410 -25 AL644_32-2 CTD/Rosette CTD-RO 2025-11-19T11:27:27 54.71520 14.23430 -25 AL644_34-1 Acoustic Receiver Mooring ACREC 2025-11-19T12:33:36 54.71620 14.14780 -26 AL644_35-1 Acoustic Receiver Mooring ACREC 2025-11-19T13:20:39 54.69180 14.11170 -28 AL644_36-1 Lander LANDER 2025-11-19T13:49:35 54.67540 14.12710 -29 2025-11-19T15:03:38 54.67510 14.12780 -29 AL644_37-1 CTD/Rosette CTD-RO 2025-11-19T14:00:32 54.67370 14.12730 -29 AL644_38-1 CTD/Rosette CTD-RO 2025-11-19T14:15:32 54.67270 14.12900 -29 AL644_39-1 Trap TRAP 2025-11-19T14:29:12 54.67110 14.13020 -29 AL644_40-1 Trap TRAP 2025-11-19T15:20:31 54.67080 14.13110 -29 AL644_41-1 Acoustic Receiver Mooring ACREC 2025-11-19T16:27:53 54.69000 14.16710 -31 AL644_42-1 Acoustic Receiver Mooring ACREC 2025-11-19T17:11:39 54.68690 14.22190 -32 AL644_43-1 Acoustic Receiver Mooring ACREC 2025-11-19T17:38:03 54.68460 14.27360 -32 AL644_44-1 Acoustic Receiver Mooring ACREC 2025-11-19T18:01:00 54.68230 14.32550 -22 AL644_45-1 Acoustic Receiver Mooring ACREC 2025-11-19T18:24:53 54.68020 14.37770 -30 AL644_46-1 Acoustic Receiver Mooring ACREC 2025-11-19T18:49:06 54.65610 14.35070 -34 AL644_49-1 Acoustic Receiver Mooring ACREC 2025-11-19T18:59:25 54.65680 14.34150 -33 AL644_47-1 Acoustic Receiver Mooring ACREC 2025-11-19T19:13:24 54.65840 14.29740 -33 AL644_48-1 Acoustic Receiver Mooring ACREC 2025-11-19T19:41:16 54.65990 14.24410 -33 AL644_50-1 Acoustic Receiver Mooring ACREC 2025-11-19T20:24:19 54.66670 14.13910 -30 AL644_51-1 Acoustic Receiver Mooring ACREC 2025-11-19T20:50:09 54.67130 14.08110 -28 AL644_52-1 CTD/Rosette CTD-RO 2025-11-19T21:47:50 54.67940 14.29710 -33 AL644_53-1 Multibeam MB 2025-11-19T22:05:06 54.67990 14.29690 -28 2025-11-19T22:17:33 54.69170 14.30090 -18 AL644_54-1 Multibeam MB 2025-11-19T22:31:06 54.67950 14.29680 -28 2025-11-19T22:37:46 54.69200 14.30070 -18 AL644_55-1 Multibeam MB 2025-11-19T22:51:26 54.71130 14.29600 -19 2025-11-20T07:08:55 54.66700 14.29540 -29 AL644_56-1 CTD/Rosette CTD-RO 2025-11-20T07:15:26 54.66410 14.29460 -29 AL644_57-1 Ocean Floor Observation System OFOS 2025-11-20T07:50:56 54.71160 14.30500 -17 2025-11-20T09:34:55 54.68430 14.29040 -28 AL644_58-1 Ocean Floor Observation System OFOS 2025-11-20T10:28:59 54.73000 14.33460 -17 2025-11-20T11:18:17 54.73500 14.31340 -18 AL644_59-1 Fishing rod FR 2025-11-20T11:48:00 54.73270 14.32280 -13 2025-11-20T12:42:04 54.72770 14.32960 -16 AL644_60-1 Fishing rod FR 2025-11-20T13:00:25 54.73580 14.30470 -17 2025-11-20T13:30:21 54.73390 14.30660 -19 AL644_61-1 Fishing rod FR 2025-11-20T13:42:36 54.74210 14.29660 -11 2025-11-20T14:06:11 54.73990 14.29360 -21 AL644_62-1 CTD/Rosette CTD-RO 2025-11-20T14:59:45 54.69930 14.15960 -30 AL644_63-1 Multibeam MB 2025-11-20T15:15:12 54.70260 14.15760 -30 2025-11-20T16:50:41 54.70120 14.16350 -26 AL644_64-1 Lander LANDER 2025-11-21T11:56:32 54.72920 14.22930 -25 2025-11-21T13:51:39 54.72900 14.22870 -25 AL644_64-2 CTD/Rosette CTD-RO 2025-11-21T12:10:04 54.73010 14.22210 -26 2025-11-21T12:12:54 54.73000 14.22200 -26 AL644_64-3 CTD/Rosette CTD-RO 2025-11-21T12:49:28 54.73200 14.21560 -25 2025-11-21T12:52:15 54.73170 14.21490 -26 AL644_65-1 CTD/Rosette CTD-RO 2025-11-21T13:17:27 54.73090 14.21360 -26 2025-11-21T13:19:33 54.73070 14.21410 -26 AL644_66-1 CTD/Rosette CTD-RO 2025-11-21T14:11:08 54.73490 14.20490 -26 AL644_66-4 Apstein plankton net APN 2025-11-21T14:15:44 54.73480 14.20400 -26 2025-11-21T14:20:37 54.73460 14.20390 -26 AL644_66-2 WP-2 towed closing plankton net WP2 2025-11-21T14:26:38 54.73440 14.20320 -26 2025-11-21T14:29:36 54.73420 14.20250 -26 AL644_66-3 WP-2 towed closing plankton net WP2 2025-11-21T14:37:00 54.73430 14.20150 -26 2025-11-21T14:39:33 54.73420 14.20070 -26 AL644_67-1 CTD/Rosette CTD-RO 2025-11-21T15:11:59 54.73460 14.10330 -29 AL644_67-2 Apstein plankton net APN 2025-11-21T15:18:30 54.73440 14.10280 -29 2025-11-21T15:22:52 54.73450 14.10250 -29 AL644_67-3 WP-2 towed closing plankton net WP2 2025-11-21T15:26:03 54.73460 14.10250 -29 2025-11-21T15:27:55 54.73450 14.10250 -29 AL644_67-4 WP-2 towed closing plankton net WP2 2025-11-21T15:30:55 54.73470 14.10260 -29 2025-11-21T15:33:06 54.73470 14.10250 -29 AL644_68-1 WP-2 towed closing plankton net WP2 2025-11-21T15:53:53 54.69630 14.10170 -29 2025-11-21T15:56:13 54.69640 14.10180 -29 AL644_68-2 WP-2 towed closing plankton net WP2 2025-11-21T15:59:13 54.69660 14.10150 -29 2025-11-21T16:01:41 54.69680 14.10130 -29 AL644_68-4 Apstein plankton net APN 2025-11-21T16:04:36 54.69670 14.10060 -29 2025-11-21T16:06:52 54.69680 14.10000 -29 AL644_68-5 CTD/Rosette CTD-RO 2025-11-21T16:13:15 54.69790 14.09800 -29 AL644_69-1 CTD/Rosette CTD-RO 2025-11-21T16:43:42 54.69820 14.20640 -30 AL644_69-2 Apstein plankton net APN 2025-11-21T16:47:56 54.69830 14.20640 -30 2025-11-21T16:52:17 54.69830 14.20650 -30 AL644_69-3 WP-2 towed closing plankton net WP2 2025-11-21T16:54:17 54.69840 14.20630 -30 2025-11-21T16:56:08 54.69850 14.20650 -30 AL644_69-4 WP-2 towed closing plankton net WP2 2025-11-21T16:58:50 54.69860 14.20650 -30 2025-11-21T17:01:21 54.69840 14.20630 -30 AL644_70-1 Acoustic Receiver Mooring ACREC 2025-11-21T17:43:55 54.69350 14.06150 -27 AL644_71-1 Acoustic Receiver Mooring ACREC 2025-11-21T18:03:19 54.71990 14.03620 -27 AL644_72-1 Acoustic Receiver Mooring ACREC 2025-11-21T18:25:20 54.74440 14.01440 -31 AL644_73-1 Acoustic Receiver Mooring ACREC 2025-11-21T18:59:12 54.69470 14.00770 -27 AL644_74-1 Acoustic Receiver Mooring ACREC 2025-11-21T19:19:42 54.72180 13.98140 -30 AL644_75-1 Acoustic Receiver Mooring ACREC 2025-11-21T19:40:18 54.74480 13.96090 -39 AL644_76-1 Acoustic Receiver Mooring ACREC 2025-11-21T20:03:59 54.72430 13.92870 -37 AL644_77-1 Acoustic Receiver Mooring ACREC 2025-11-21T20:33:03 54.69500 13.95280 -30 AL644_78-1 CTD/Rosette CTD-RO 2025-11-21T21:42:20 54.77040 14.19870 -17 AL644_79-1 Multibeam MB 2025-11-21T22:07:26 54.76970 14.20170 -19 2025-11-22T05:45:40 54.75690 14.25330 -15 AL644_80-1 CTD/Rosette CTD-RO 2025-11-22T05:50:00 54.75570 14.25610 -15 AL644_0_Underway-2 Thermosalinograph TSG 2025-11-22T12:05:01 54.53800 13.77220 -22 AL644_81-1 CTD/Rosette CTD-RO 2025-11-22T18:52:54 54.46760 12.18590 -18 AL644_82-1 Multibeam MB 2025-11-22T19:06:15 54.46510 12.17680 -14 2025-11-23T10:15:30 54.46090 12.17850 -15 AL644_83-1 Remote operated vehicle ROV 2025-11-23T09:58:46 54.46280 12.17900 -16 2025-11-23T10:05:13 54.46280 12.17900 -16 AL644_84-1 CTD/Rosette CTD-RO 2025-11-23T10:06:35 54.46290 12.17900 -16 AL644_85-1 Autonomous underwater vehicle AUV 2025-11-23T12:46:35 54.20080 11.71070 -25 2025-11-23T12:55:28 54.20080 11.71060 -25 AL644_86-1 Autonomous underwater vehicle AUV 2025-11-23T13:21:16 54.19910 11.71060 -25 2025-11-23T16:33:33 54.19910 11.71120 -25 AL644_87-1 CTD/Rosette CTD-RO 2025-11-23T13:32:24 54.19910 11.71080 -25 AL644_88-1 Ocean Floor Observation System OFOS 2025-11-23T14:06:47 54.20340 11.70620 -25 2025-11-23T14:38:45 54.19280 11.70450 -24 AL644_89-1 Autonomous underwater vehicle AUV 2025-11-23T15:00:35 54.19870 11.70670 -25 2025-11-23T16:50:01 54.19900 11.71080 -25 AL644_90-1 Multibeam MB 2025-11-23T17:10:26 54.20110 11.71270 -25 2025-11-23T20:32:28 54.20100 11.68050 -25 AL644_91-1 Multibeam MB 2025-11-23T22:59:03 54.05290 11.03620 -24 2025-11-24T04:34:22 54.03070 10.87920 -18 AL644_92-1 Remote operated vehicle ROV 2025-11-24T05:19:29 54.03220 10.81680 -16 2025-11-24T05:30:00 54.03210 10.81640 -15 AL644_92-2 Mooring MOOR 2025-11-24T05:32:15 54.03200 10.81620 -15 AL644_93-1 CTD/Rosette CTD-RO 2025-11-24T06:24:36 54.04310 10.87690 -23 AL644_94-1 Remote operated vehicle ROV 2025-11-24T07:01:28 54.09680 10.95540 -23 2025-11-24T07:05:26 54.09680 10.95550 -23 Mooring recovered AL644_95-1 Remote operated vehicle ROV 2025-11-24T08:06:10 54.09680 10.95580 -20 2025-11-24T08:18:34 54.09680 10.95530 -19 Mooring recovered AL644_96-1 Remote operated vehicle ROV 2025-11-24T08:45:28 54.09210 10.99350 -24 2025-11-24T08:56:57 54.09220 10.99270 -24 Mooring recovered AL644_97-1 Remote operated vehicle ROV 2025-11-24T09:08:52 54.09210 10.99280 -24 2025-11-24T09:23:40 54.09190 10.99220 -24 Mooring recovered AL644_98-1 Autonomous underwater vehicle AUV 2025-11-24T10:34:54 54.04540 11.24790 -23 2025-11-24T11:58:33 54.04680 11.24470 -23 AL644_99-1 Autonomous underwater vehicle AUV 2025-11-24T11:13:56 54.04440 11.23530 -23 2025-11-24T12:41:19 54.04460 11.23520 -23 AL644_0_Underway-3 Thermosalinograph TSG 2025-11-24T11:37:05 54.04440 11.23520 -23 AL644_100-1 Lander LANDER 2025-11-24T15:39:23 54.50850 11.31150 -29 AL644_101-1 CTD/Rosette CTD-RO 2025-11-24T16:59:17 54.63180 10.99570 -23 AL644_102-1 Multibeam MB 2025-11-24T17:16:22 54.62530 10.99740 -16 2025-11-25T06:58:06 54.57450 11.02440 -12 AL644_103-1 Extended Ocean Floor Observation System XOFOS 2025-11-25T07:30:54 54.62140 11.00070 -19 2025-11-25T08:06:45 54.61160 11.01670 -19 AL644_104-1 Extended Ocean Floor Observation System XOFOS 2025-11-25T08:22:41 54.62110 11.00670 -19 2025-11-25T08:53:13 54.61260 11.01970 -20 AL644_105-1 Autonomous underwater vehicle AUV 2025-11-25T09:17:38 54.61850 11.01750 -18 2025-11-25T12:18:52 54.62180 11.01540 -16 AL644_106-1 Autonomous underwater vehicle AUV 2025-11-25T09:39:21 54.62180 11.01680 -17 2025-11-25T12:07:24 54.62190 11.01560 -16 AL644_107-1 Ocean Floor Observation System OFOS 2025-11-25T10:07:03 54.61980 10.99660 -18 2025-11-25T11:37:07 54.61180 11.01460 -17 AL644_108-1 Remote operated vehicle ROV 2025-11-25T12:37:25 54.62080 11.02000 -17 2025-11-25T12:39:09 54.62080 11.02000 -17 AL644_0_Underway-4 Thermosalinograph TSG 2025-11-25T12:38:04 54.62080 11.02000 -17 AL644_109-1 Remote operated vehicle ROV 2025-11-25T12:49:36 54.62070 11.01960 -17 2025-11-25T12:56:05 54.62080 11.01960 -17 AL644_110-1 Ocean Floor Observation System OFOS 2025-11-25T13:14:19 54.62060 11.01400 -17 2025-11-25T13:59:58 54.62050 11.02510 -19 AL644_111-1 Autonomous underwater vehicle AUV 2025-11-25T14:34:34 54.61350 11.01200 -19 2025-11-25T17:24:13 54.61350 11.01110 -18 AL644_112-1 Autonomous underwater vehicle AUV 2025-11-25T15:03:21 54.61670 11.01490 -16 2025-11-25T17:06:34 54.61670 11.01600 -17 AL644_113-1 Ocean Floor Observation System OFOS 2025-11-25T15:22:57 54.61900 11.01730 -18 2025-11-25T16:24:51 54.62440 11.02900 -20 AL644_114-1 CTD/Rosette CTD-RO 2025-11-25T17:43:01 54.63160 11.00890 -21 AL644_115-1 Multibeam MB 2025-11-25T18:00:33 54.62400 11.01070 -17 2025-11-26T07:03:06 54.58360 11.06080 -28 AL644_116-1 CTD/Rosette CTD-RO 2025-11-26T07:08:26 54.58660 11.06070 -29 AL644_117-1 Extended Ocean Floor Observation System XOFOS 2025-11-26T07:36:14 54.57290 11.01310 -16 2025-11-26T08:33:41 54.58700 11.04160 -29 AL644_118-1 Remote operated vehicle ROV 2025-11-26T08:57:43 54.58290 11.03080 -23 2025-11-26T09:29:11 54.58340 11.03080 -23 AL644_119-1 Extended Ocean Floor Observation System XOFOS 2025-11-26T09:47:11 54.57300 11.01170 -17 2025-11-26T10:47:14 54.58830 11.04200 -30 AL644_120-1 Autonomous underwater vehicle AUV 2025-11-26T11:17:03 54.58340 11.02910 -23 2025-11-26T14:14:14 54.58310 11.02980 -18 AL644_121-1 Ocean Floor Observation System OFOS 2025-11-26T12:00:31 54.57470 11.03030 -17 2025-11-26T13:07:01 54.58270 11.04560 -25 AL644_0_Underway-5 Thermosalinograph TSG 2025-11-26T13:20:19 54.58180 11.03590 -20 AL644_122-1 Lander LANDER 2025-11-26T13:28:57 54.58240 11.03300 -17 2025-11-26T14:37:40 54.58230 11.03300 -23 AL644_122-2 Remote operated vehicle ROV 2025-11-26T14:25:58 54.58240 11.03250 -23 2025-11-26T14:33:37 54.58230 11.03240 -23 AL644_123-1 Autonomous underwater vehicle AUV 2025-11-26T15:33:29 54.62320 11.00770 -19 2025-11-26T18:02:01 54.62450 11.00580 -20 AL644_124-1 Ocean Floor Observation System OFOS 2025-11-26T16:31:26 54.61500 11.01240 -18 2025-11-26T16:57:54 54.61870 11.01450 -17 AL644_125-1 Remote operated vehicle ROV 2025-11-26T17:14:53 54.61830 11.01430 -16 2025-11-26T17:35:07 54.61810 11.01430 -15 AL644_126-1 Remote operated vehicle ROV 2025-11-26T18:40:52 54.62330 11.01570 -20 2025-11-26T19:08:54 54.62330 11.01560 -20 AL644_128-1 CTD/Rosette CTD-RO 2025-11-26T20:33:20 54.50580 10.71090 -14 AL644_129-1 Multibeam MB 2025-11-26T20:48:10 54.50060 10.71190 -15 2025-11-27T07:12:18 54.50190 10.72180 -13 AL644_130-1 CTD/Rosette CTD-RO 2025-11-27T07:18:13 54.50060 10.72070 -13 AL644_131-1 Remote operated vehicle ROV 2025-11-27T07:39:06 54.50330 10.72750 -12 2025-11-27T07:58:38 54.50320 10.72720 -12 AL644_132-1 Ocean Floor Observation System OFOS 2025-11-27T08:49:59 54.51410 10.75000 -13 2025-11-27T09:33:31 54.50900 10.74350 -18 AL644_133-1 Autonomous underwater vehicle AUV 2025-11-27T09:55:15 54.50380 10.73040 -18 2025-11-27T12:22:36 54.50400 10.73090 -17 AL644_134-1 Autonomous underwater vehicle AUV 2025-11-27T10:15:26 54.50380 10.73050 -17 2025-11-27T12:15:36 54.50390 10.73080 -17 AL644_135-1 Ocean Floor Observation System OFOS 2025-11-27T10:57:41 54.51000 10.73650 -18 AL644_136-1 Ocean Floor Observation System OFOS 2025-11-27T10:58:40 54.50970 10.73640 -18 2025-11-27T11:52:47 54.49790 10.72980 -17 AL644_0_Underway-6 Thermosalinograph TSG 2025-11-27T12:08:01 54.50440 10.73100 -17 AL644_137-1 Multibeam MB 2025-11-27T14:18:40 54.57100 10.91110 -17 2025-11-28T02:07:17 54.59250 10.92010 -20