ryan.short@LIGO.ORG - posted 00:00, Wednesday 27 September 2023 (73131)
Ops Eve Shift Summary
TITLE: 09/27 Eve Shift: 23:00-07:00 UTC (16:00-00:00 PST), all times posted in UTC
STATE of H1: Observing at 150Mpc
INCOMING OPERATOR: Austin
SHIFT SUMMARY: H1 lost lock early in the shift and struggled to relock, but after running an alignment locking went smoothly. H1 has now been locked for over 5 hours.
- 23:21 Lockloss - alog
- 00:13 After several failed locking attempts, opting for an initial alignment
- Likely having problems due to high winds and poor alignment following the last lockloss
- Last alignment was run during an LVEA temperature excursion, so optics may have drifted since then
- 00:53 Alignment complete, starting lock acquisition
- 01:39 Reached NLN
- 01:58 Started observing
Temperatures in the LVEA from the excursion this morning have recovered (trend attached).
LOG:
| Start Time | System | Name | Location | Lazer_Haz | Task | Time End |
|---|---|---|---|---|---|---|
| 21:21 | CAL | Tony | PCAL lab | LOCAL | PCAL work, in at 19:30 | 23:31 |
Images attached to this report
