Reports until 16:31, Wednesday 30 July 2025
H1 General
ryan.crouch@LIGO.ORG - posted 16:31, Wednesday 30 July 2025 (86105)
OPS Wednesday DAY shift summary

TITLE: 07/30 Day Shift: 1430-2330 UTC (0730-1630 PST), all times posted in UTC
STATE of H1: Observing at 149Mpc
INCOMING OPERATOR: Ryan S
SHIFT SUMMARY: We've been in and out of Earthquake mode all day from the constant aftershocks from the 8.8 yesterday off the coast of eastern Russia. We've been locked for almost 9.5 hours.
LOG:                                                                                                                               

Start Time System Name Location Lazer_Haz Task Time End
13:45? FAC CBEX survey crew MidY N Survey work 20:45
15:20 FAC Nellie Optics lab N Tech clean 15:34
16:32 FAC Chris Vac prep lab N Painting 18:32
18:55 ISC Jennie Optics lab LOCAL ISS array 19:52
20:13 FAC Chris VAC prep lab N Painting 21:30
21:13 ISC Keita Optics lab N Quick checks 21:30
21:15 EE Marc MidY N Grab some parts 21:56
21:20 FAC Eric EndY N Chiller yard alarm reset 21:39
21:51 AOS Mitch MidX N Look for a pelican case 22:10

I increased the gain on ITMY5/6 from +0.01 to +0.015 and it damps mode5 60-70% faster and mode6 100-110% faster based on the short and long monitors.