| Start | Stop | Study | X-cen | Y-cen | Obs. Title |
| 03:20:43 | 04:11:16 | YKK_ARabund01 | 42.6 | 183.4 | AR/CH Boundary Study |
| 08:14:13 | 09:04:46 | YKK_ARabund01 | 39.1 | 182.9 | AR/CH Boundary Study |
| 13:16:29 | 14:07:02 | YKK_ARabund01 | 35.8 | 182.4 | AR/CH Boundary Study |
| 23:20:13 | 00:10:45 | YKK_ARabund01 | 29.6 | 181.3 | AR/CH Boundary Study |