Reports until 15:43, Thursday 15 February 2018
H1 SUS
edmond.merilh@LIGO.ORG - posted 15:43, Thursday 15 February 2018 - last comment - 15:46, Thursday 15 February 2018(40559)
ETMX OpLev Centering

This afternoon I centered the OpLev LASER at EX. The optic was misaligned upon my arrival. It was aligned for the procedure and remains that way. The sum out is currently at 18.5K counts. The attached trends show the decline of that number down from the the mid-40Ks as a step function about the end of last June. Upon consulting with Jeff K and Jason, no attempt will be made to increase this number and it should remain "usable" for the next couple of months.

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edmond.merilh@LIGO.ORG - 15:46, Thursday 15 February 2018 (40560)

FYI: This trend was 1 year.