ES4
| Data | Time (loc time) | Exp | delay | Phase | T | flats |
| 10/30/06 | ||||||
| Start | 6:05 p.m | 2 m -1m | 2 sec | 74.2 | 40 F | yes |
| Stop | 12:00 p.m | |||||
| seeing | good | |||||
| weather | Partly cloudy | |||||
| note | Old opt system. | |||||
| ES1 | ||||
| Start | 7:25 p.m. | bs_exp=900 | flat_bs=20000 | |
| Stop | 11:30 p.m. | fd_exp=50000-30000 | flat_fd=300 | |
| first hour was summer time | ||||