| Observation Date | Latitude | Longitude | Total Ice Concentration | Primary Observer | |
|---|---|---|---|---|---|
| 2017-09-15 23:06:00 UTC | 80.49 | 133.33 | 10 | Seita Hoshino | |
| 2017-09-15 15:05:00 UTC | 80.55 | 132.16 | 10 | Seita Hoshino | |
| 2017-09-15 01:15:00 UTC | 80.15 | 134.1 | 10 | Seita Hoshino | |
| 2017-09-15 00:01:00 UTC | 80.06 | 134.44 | 9 | Seita Hoshino | |
| 2017-09-14 22:13:00 UTC | 79.53 | 135.21 | 10 | Seita Hoshino | |
| 2017-09-14 20:14:00 UTC | 79.4 | 135.55 | 10 | Seita Hoshino | |
| 2017-09-14 19:09:00 UTC | 79.31 | 136.26 | 10 | Seita Hoshino | |
| 2017-09-14 17:40:00 UTC | 79.22 | 136.37 | 8 | Seita Hoshino | |
| 2017-09-14 16:01:00 UTC | 79.15 | 137.19 | 10 | Seita Hoshino | |
| 2017-09-14 15:10:00 UTC | 79.08 | 137.35 | 9 | Seita Hoshino | |
| 2017-09-14 14:02:00 UTC | 78.58 | -8.0 | 9 | Seita Hoshino | |
| 2017-09-14 02:09:00 UTC | 77.48 | 139.57 | 5 | Seita Hoshino | |
| 2017-09-14 01:19:00 UTC | 77.39 | 139.57 | 7 | Seita Hoshino | |
| 2017-09-14 00:09:00 UTC | 78.9868 | 137.6039 | 10 | Seita Hoshino | |
| 2017-09-14 00:03:00 UTC | 77.21 | 139.58 | 0 | Seita Hoshino | |
| 2017-09-13 23:09:00 UTC | 77.08 | 140.0 | 0 | Seita Hoshino | |
| 2017-09-13 19:07:00 UTC | 76.57 | 139.4 | 1 | Seita Hoshino | |
| 2017-09-13 16:58:00 UTC | 76.51 | 138.3 | 1 | Seita Hoshino | |
| 2017-09-13 15:59:00 UTC | 76.5 | 137.56 | 1 | Seita Hoshino | |
| 2017-09-13 14:59:00 UTC | 76.46 | 137.19 | 0 | Seita Hoshino | |
| 2017-09-13 14:01:00 UTC | 76.42 | 136.55 | 1 | Seita Hoshino | |
| 2017-09-12 23:12:00 UTC | 76.15 | 132.29 | 10 | Seita Hoshino | |
| 2017-09-12 22:05:00 UTC | 76.14 | 133.02 | 9 | Seita Hoshino | |
| 2017-09-12 21:04:00 UTC | 76.13 | 133.36 | 8 | Seita Hoshino | |
| 2017-09-12 20:06:00 UTC | 76.11 | 134.11 | 8 | Seita Hoshino |