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 HE689-track Underway cruise track measurements CT 2026-08-03T06:00:00 53.53265 8.58127 2026-08-15T18:08:19 53.53322 8.58113 Bremerhaven - Bremerhaven HE689_0_Underway-3 Ship Weather Station SWEAS https://registry.o2a-data.de/items/da07f00f-b51f-4bb4-8622-c95405c5846d 2026-08-03T06:14:59 53.53235 8.57805 -4 2026-08-15T17:40:27 53.53207 8.57797 -4 HE689_0_Underway-2 Thermosalinograph TSG https://registry.o2a-data.de/items/9e6398bf-f952-423c-b8b5-50f61129de26 2026-08-04T15:45:50 54.43185 10.22897 -11 2026-08-15T13:37:42 53.92465 7.97698 -12 measurements interrupted during DERSK; measurements interrupted durung maintenance; measurements interrupted during EEZ DK HE689_1-2 Underwater Video system UWV https://registry.o2a-data.de/items/3a4eca0b-c5fa-4579-89fa-645fcf17b9b5 2026-08-06T06:30:57 54.78015 14.25798 -15 2026-08-06T06:36:49 54.78003 14.25768 -15 HE689_1-1 CTD/Rosette CTD-RO https://registry.o2a-data.de/items/c8dd81e9-9239-40a1-b0a3-bff6c23a31dd 2026-08-06T06:54:48 54.77997 14.25787 -15 HE689_1-3 MultiCorer MUC https://registry.o2a-data.de/items/cbf9d444-211f-4b66-a2cf-ca8c97789a98 2026-08-06T07:09:10 54.77998 14.25765 -15 HE689_1-4 MultiCorer MUC https://registry.o2a-data.de/items/cbf9d444-211f-4b66-a2cf-ca8c97789a98 2026-08-06T07:17:07 54.77997 14.25760 -15 HE689_1-5 HAPS corer HAPS https://registry.o2a-data.de/items/c94f9fb5-420e-42de-818f-7a5729e2fd55 2026-08-06T07:34:07 54.77990 14.25748 -15 2026-08-06T07:51:48 54.78000 14.25783 -15 all HAPS unsuccessfull HE689_1-6 MultiCorer MUC https://registry.o2a-data.de/items/cbf9d444-211f-4b66-a2cf-ca8c97789a98 2026-08-06T08:06:47 54.77998 14.25742 -15 HE689_1-7 van Veen Grab VGRAB https://registry.o2a-data.de/items/780c31dc-92c6-4411-924d-2d3edbe0e0f8 2026-08-06T08:18:03 54.78007 14.25752 -15 2026-08-06T08:23:09 54.78002 14.25738 -15 HE689_1-8 HAPS corer HAPS https://registry.o2a-data.de/items/c94f9fb5-420e-42de-818f-7a5729e2fd55 2026-08-06T08:31:13 54.77992 14.25738 -15 2026-08-06T08:49:05 54.78023 14.25820 -15 modification HE689_1-9 Underwater Video system UWV https://registry.o2a-data.de/items/3a4eca0b-c5fa-4579-89fa-645fcf17b9b5 2026-08-06T08:49:37 54.78020 14.25815 -15 2026-08-06T08:55:03 54.77992 14.25733 -15 HE689_2-1 CTD/Rosette CTD-RO https://registry.o2a-data.de/items/c8dd81e9-9239-40a1-b0a3-bff6c23a31dd 2026-08-06T10:07:59 54.77872 14.28870 -11 HE689_2-2 Underwater Video system UWV https://registry.o2a-data.de/items/3a4eca0b-c5fa-4579-89fa-645fcf17b9b5 2026-08-06T10:26:21 54.77838 14.29070 -12 2026-08-06T10:33:40 54.77847 14.28933 -10 HE689_2-3 HAPS corer HAPS https://registry.o2a-data.de/items/c94f9fb5-420e-42de-818f-7a5729e2fd55 2026-08-06T10:37:49 54.77852 14.28897 -11 2026-08-06T10:49:19 54.77825 14.28918 -11 HE689_2-4 van Veen Grab VGRAB https://registry.o2a-data.de/items/780c31dc-92c6-4411-924d-2d3edbe0e0f8 2026-08-06T10:56:03 54.77818 14.28923 -11 2026-08-06T11:10:55 54.77858 14.28837 -10 HE689_3-1 CTD/Rosette CTD-RO https://registry.o2a-data.de/items/c8dd81e9-9239-40a1-b0a3-bff6c23a31dd 2026-08-06T11:52:01 54.75872 14.33308 -13 HE689_3-2 Underwater Video system UWV https://registry.o2a-data.de/items/3a4eca0b-c5fa-4579-89fa-645fcf17b9b5 2026-08-06T12:07:41 54.75868 14.33447 -14 2026-08-06T12:15:19 54.75867 14.33273 -13 HE689_3-3 MultiCorer MUC https://registry.o2a-data.de/items/cbf9d444-211f-4b66-a2cf-ca8c97789a98 2026-08-06T12:23:33 54.75880 14.33507 -14 HE689_3-4 HAPS corer HAPS https://registry.o2a-data.de/items/c94f9fb5-420e-42de-818f-7a5729e2fd55 2026-08-06T12:31:55 54.75865 14.33483 -14 2026-08-06T13:54:48 54.75850 14.33433 -14 HE689_4-1 CTD/Rosette CTD-RO https://registry.o2a-data.de/items/c8dd81e9-9239-40a1-b0a3-bff6c23a31dd 2026-08-07T06:07:42 54.74095 14.33010 -12 HE689_4-2 Underwater Video system UWV https://registry.o2a-data.de/items/3a4eca0b-c5fa-4579-89fa-645fcf17b9b5 2026-08-07T06:19:24 54.74082 14.33063 -11 2026-08-07T06:25:20 54.74102 14.32943 -12 HE689_4-3 HAPS corer HAPS https://registry.o2a-data.de/items/c94f9fb5-420e-42de-818f-7a5729e2fd55 2026-08-07T06:30:01 54.74097 14.33025 -11 2026-08-07T07:13:52 54.74083 14.33067 -11 HE689_5-1 CTD/Rosette CTD-RO https://registry.o2a-data.de/items/c8dd81e9-9239-40a1-b0a3-bff6c23a31dd 2026-08-07T07:49:13 54.74295 14.28423 -14 HE689_5-2 Underwater Video system UWV https://registry.o2a-data.de/items/3a4eca0b-c5fa-4579-89fa-645fcf17b9b5 2026-08-07T07:59:49 54.74277 14.28428 -15 2026-08-07T08:04:55 54.74292 14.28270 -15 HE689_5-3 MultiCorer MUC https://registry.o2a-data.de/items/cbf9d444-211f-4b66-a2cf-ca8c97789a98 2026-08-07T08:11:47 54.74275 14.28402 -16 HE689_5-4 HAPS corer HAPS https://registry.o2a-data.de/items/c94f9fb5-420e-42de-818f-7a5729e2fd55 2026-08-07T08:23:01 54.74282 14.28428 -16 2026-08-07T08:36:44 54.74288 14.28415 -15 HE689_6-1 CTD/Rosette CTD-RO https://registry.o2a-data.de/items/c8dd81e9-9239-40a1-b0a3-bff6c23a31dd 2026-08-07T10:12:03 54.74637 14.20722 -16 HE689_6-2 Underwater Video system UWV https://registry.o2a-data.de/items/3a4eca0b-c5fa-4579-89fa-645fcf17b9b5 2026-08-07T10:27:22 54.74598 14.20765 -17 2026-08-07T10:32:00 54.74598 14.20635 -18 HE689_6-3 MultiCorer MUC https://registry.o2a-data.de/items/cbf9d444-211f-4b66-a2cf-ca8c97789a98 2026-08-07T10:42:48 54.74585 14.20812 -18 HE689_6-4 HAPS corer HAPS https://registry.o2a-data.de/items/c94f9fb5-420e-42de-818f-7a5729e2fd55 2026-08-07T10:50:27 54.74583 14.20803 -17 2026-08-07T12:40:18 54.74588 14.20820 -16 HE689_6-5 van Veen Grab VGRAB https://registry.o2a-data.de/items/780c31dc-92c6-4411-924d-2d3edbe0e0f8 2026-08-07T12:01:51 54.74595 14.20815 -18 2026-08-07T12:16:14 54.74578 14.20808 -17 HE689_7-1 CTD/Rosette CTD-RO https://registry.o2a-data.de/items/c8dd81e9-9239-40a1-b0a3-bff6c23a31dd 2026-08-07T13:39:45 54.70728 14.28003 -19 HE689_7-2 Underwater Video system UWV https://registry.o2a-data.de/items/3a4eca0b-c5fa-4579-89fa-645fcf17b9b5 2026-08-07T14:02:47 54.70673 14.28095 -19 2026-08-07T14:08:51 54.70687 14.27902 -19 HE689_7-3 MultiCorer MUC https://registry.o2a-data.de/items/cbf9d444-211f-4b66-a2cf-ca8c97789a98 2026-08-07T14:13:29 54.70695 14.27907 -19 2026-08-07T14:40:37 54.70703 14.27928 -19 HE689_7-4 van Veen Grab VGRAB https://registry.o2a-data.de/items/780c31dc-92c6-4411-924d-2d3edbe0e0f8 2026-08-07T14:48:32 54.70705 14.27933 -19 2026-08-07T14:56:27 54.70710 14.27923 -19 HE689_8-1 CTD/Rosette CTD-RO https://registry.o2a-data.de/items/c8dd81e9-9239-40a1-b0a3-bff6c23a31dd 2026-08-08T06:04:09 54.63010 14.45457 -27 HE689_8-2 Underwater Video system UWV https://registry.o2a-data.de/items/3a4eca0b-c5fa-4579-89fa-645fcf17b9b5 2026-08-08T06:19:45 54.63003 14.45480 -27 2026-08-08T06:26:01 54.63035 14.45402 -27 HE689_8-3 MultiCorer MUC https://registry.o2a-data.de/items/cbf9d444-211f-4b66-a2cf-ca8c97789a98 2026-08-08T06:31:40 54.63027 14.45447 -27 2026-08-08T06:44:19 54.63028 14.45447 -27 HE689_8-4 van Veen Grab VGRAB https://registry.o2a-data.de/items/780c31dc-92c6-4411-924d-2d3edbe0e0f8 2026-08-08T06:54:51 54.63020 14.45452 -27 2026-08-08T07:04:13 54.63013 14.45427 -27 HE689_9-1 CTD/Rosette CTD-RO https://registry.o2a-data.de/items/c8dd81e9-9239-40a1-b0a3-bff6c23a31dd 2026-08-08T07:52:47 54.56835 14.42838 -20 HE689_9-2 Underwater Video system UWV https://registry.o2a-data.de/items/3a4eca0b-c5fa-4579-89fa-645fcf17b9b5 2026-08-08T08:10:41 54.56838 14.42898 -20 2026-08-08T08:19:02 54.56805 14.42668 -20 HE689_9-3 MultiCorer MUC https://registry.o2a-data.de/items/cbf9d444-211f-4b66-a2cf-ca8c97789a98 2026-08-08T08:27:58 54.56843 14.42795 -20 2026-08-08T08:47:47 54.56835 14.42788 -20 HE689_9-4 van Veen Grab VGRAB https://registry.o2a-data.de/items/780c31dc-92c6-4411-924d-2d3edbe0e0f8 2026-08-08T09:45:19 54.56822 14.42803 -20 2026-08-08T09:53:42 54.56827 14.42798 -20 HE689_10-1 CATAMARAN CATM https://registry.o2a-data.de/items/91f6c8e4-eb5d-444c-a4d5-a76e08e1a1c8 2026-08-08T13:37:09 54.79768 14.37402 -9 2026-08-08T17:39:53 54.79750 14.37313 -8 Heincke boat HE689_10-2 Eddy covariance system EC https://registry.o2a-data.de/items/34ae6938-ac1c-475b-8563-35e39f4784ea 2026-08-08T14:08:28 54.79660 14.37367 -8 Heincke boat; deployed at 54°47,586'N, 014°22,009'E HE689_11-1 CATAMARAN CATM https://registry.o2a-data.de/items/91f6c8e4-eb5d-444c-a4d5-a76e08e1a1c8 2026-08-09T06:21:24 54.77890 14.29433 -10 2026-08-09T09:19:52 54.78190 14.29345 -10 Heincke boat HE689_12-1 CATAMARAN CATM https://registry.o2a-data.de/items/91f6c8e4-eb5d-444c-a4d5-a76e08e1a1c8 2026-08-09T10:50:49 54.78050 14.26157 -14 2026-08-09T13:24:03 54.78237 14.25755 -14 Heincke boat; diver exchange HE689_13-1 CTD/Rosette CTD-RO https://registry.o2a-data.de/items/c8dd81e9-9239-40a1-b0a3-bff6c23a31dd 2026-08-10T06:07:06 54.55312 14.58717 -18 HE689_13-2 Underwater Video system UWV https://registry.o2a-data.de/items/3a4eca0b-c5fa-4579-89fa-645fcf17b9b5 2026-08-10T06:24:03 54.55332 14.58747 -18 2026-08-10T06:29:35 54.55315 14.58670 -18 HE689_13-3 MultiCorer MUC https://registry.o2a-data.de/items/cbf9d444-211f-4b66-a2cf-ca8c97789a98 2026-08-10T06:33:07 54.55313 14.58667 -18 2026-08-10T06:50:42 54.55305 14.58663 -18 HE689_13-4 HAPS corer HAPS https://registry.o2a-data.de/items/c94f9fb5-420e-42de-818f-7a5729e2fd55 2026-08-10T07:02:20 54.55312 14.58638 -18 2026-08-10T07:23:08 54.55303 14.58658 -18 HE689_13-5 van Veen Grab VGRAB https://registry.o2a-data.de/items/780c31dc-92c6-4411-924d-2d3edbe0e0f8 2026-08-10T07:30:24 54.55305 14.58662 -18 2026-08-10T07:35:54 54.55313 14.58665 -18 HE689_14-1 CTD/Rosette CTD-RO https://registry.o2a-data.de/items/c8dd81e9-9239-40a1-b0a3-bff6c23a31dd 2026-08-10T08:29:56 54.45887 14.68567 -11 HE689_14-2 Underwater Video system UWV https://registry.o2a-data.de/items/3a4eca0b-c5fa-4579-89fa-645fcf17b9b5 2026-08-10T08:43:03 54.45902 14.68535 -11 2026-08-10T08:48:42 54.45870 14.68432 -11 HE689_14-3 MultiCorer MUC https://registry.o2a-data.de/items/cbf9d444-211f-4b66-a2cf-ca8c97789a98 2026-08-10T08:52:08 54.45873 14.68457 -11 2026-08-10T09:03:45 54.45883 14.68457 -11 HE689_14-4 van Veen Grab VGRAB https://registry.o2a-data.de/items/780c31dc-92c6-4411-924d-2d3edbe0e0f8 2026-08-10T09:43:10 54.45875 14.68480 -11 2026-08-10T09:47:24 54.45873 14.68478 -11 HE689_15-1 CTD/Rosette CTD-RO https://registry.o2a-data.de/items/c8dd81e9-9239-40a1-b0a3-bff6c23a31dd 2026-08-10T10:44:28 54.37750 14.58047 -7 HE689_15-2 Underwater Video system UWV https://registry.o2a-data.de/items/3a4eca0b-c5fa-4579-89fa-645fcf17b9b5 2026-08-10T10:59:48 54.37730 14.58083 -7 2026-08-10T11:05:46 54.37757 14.57943 -7 HE689_15-3 MultiCorer MUC https://registry.o2a-data.de/items/cbf9d444-211f-4b66-a2cf-ca8c97789a98 2026-08-10T11:10:31 54.37747 14.57943 -7 2026-08-10T11:23:16 54.37752 14.57963 -7 HE689_15-4 van Veen Grab VGRAB https://registry.o2a-data.de/items/780c31dc-92c6-4411-924d-2d3edbe0e0f8 2026-08-10T11:31:56 54.37745 14.57968 -7 2026-08-10T11:37:31 54.37747 14.57982 -7 HE689_16-1 CTD/Rosette CTD-RO https://registry.o2a-data.de/items/c8dd81e9-9239-40a1-b0a3-bff6c23a31dd 2026-08-10T13:54:14 54.39487 14.10378 -10 HE689_16-2 Underwater Video system UWV https://registry.o2a-data.de/items/3a4eca0b-c5fa-4579-89fa-645fcf17b9b5 2026-08-10T14:10:25 54.39455 14.10472 -10 2026-08-10T14:16:27 54.39490 14.10372 -10 HE689_16-3 MultiCorer MUC https://registry.o2a-data.de/items/cbf9d444-211f-4b66-a2cf-ca8c97789a98 2026-08-10T14:20:23 54.39498 14.10332 -10 2026-08-10T14:27:13 54.39500 14.10340 -10 HE689_16-4 van Veen Grab VGRAB https://registry.o2a-data.de/items/780c31dc-92c6-4411-924d-2d3edbe0e0f8 2026-08-10T14:34:02 54.39500 14.10335 -10 2026-08-10T14:37:33 54.39493 14.10327 -10 HE689_17-1 CTD/Rosette CTD-RO https://registry.o2a-data.de/items/c8dd81e9-9239-40a1-b0a3-bff6c23a31dd 2026-08-11T05:55:48 54.51698 14.36847 -12 HE689_17-2 Underwater Video system UWV https://registry.o2a-data.de/items/3a4eca0b-c5fa-4579-89fa-645fcf17b9b5 2026-08-11T06:09:49 54.51683 14.36898 -11 2026-08-11T06:12:54 54.51697 14.36840 -11 HE689_17-3 MultiCorer MUC https://registry.o2a-data.de/items/cbf9d444-211f-4b66-a2cf-ca8c97789a98 2026-08-11T06:17:18 54.51698 14.36798 -12 HE689_17-4 van Veen Grab VGRAB https://registry.o2a-data.de/items/780c31dc-92c6-4411-924d-2d3edbe0e0f8 2026-08-11T06:23:22 54.51695 14.36800 -11 2026-08-11T06:27:34 54.51698 14.36822 -12 HE689_18-1 CTD/Rosette CTD-RO https://registry.o2a-data.de/items/c8dd81e9-9239-40a1-b0a3-bff6c23a31dd 2026-08-11T08:04:58 54.57238 14.18303 -17 HE689_18-2 Underwater Video system UWV https://registry.o2a-data.de/items/3a4eca0b-c5fa-4579-89fa-645fcf17b9b5 2026-08-11T08:20:12 54.57240 14.18305 -16 2026-08-11T08:26:42 54.57268 14.18150 -16 HE689_18-3 van Veen Grab VGRAB https://registry.o2a-data.de/items/780c31dc-92c6-4411-924d-2d3edbe0e0f8 2026-08-11T08:30:46 54.57250 14.18225 -17 2026-08-11T08:35:47 54.57270 14.18243 -18 HE689_19-1 Underwater Video system UWV https://registry.o2a-data.de/items/3a4eca0b-c5fa-4579-89fa-645fcf17b9b5 2026-08-11T13:09:19 54.75897 14.33390 -14 2026-08-11T13:50:38 54.75857 14.33132 -14 HE689_19-2 HAPS corer HAPS https://registry.o2a-data.de/items/c94f9fb5-420e-42de-818f-7a5729e2fd55 2026-08-11T14:01:20 54.75870 14.33252 -14 2026-08-11T14:13:04 54.75868 14.33225 -14 HE689_19-3 van Veen Grab VGRAB https://registry.o2a-data.de/items/780c31dc-92c6-4411-924d-2d3edbe0e0f8 2026-08-11T14:23:23 54.75863 14.33252 -14 2026-08-11T14:59:47 54.75863 14.33260 -13 HE689_20-1 Underwater Video system UWV https://registry.o2a-data.de/items/3a4eca0b-c5fa-4579-89fa-645fcf17b9b5 2026-08-12T05:57:25 54.74070 14.33238 -12 2026-08-12T06:54:02 54.74142 14.32843 -11 HE689_21-1 CATAMARAN CATM https://registry.o2a-data.de/items/91f6c8e4-eb5d-444c-a4d5-a76e08e1a1c8 2026-08-12T07:52:39 54.79597 14.37245 -8 2026-08-12T08:21:24 54.79627 14.37337 -8 Heincke boat