sheila.dwyer@LIGO.ORG - posted 17:57, Tuesday 20 June 2017 - last comment - 19:13, Tuesday 20 June 2017(37044)
ITMY opLev laser switched off
FOr a test, the ITMY optical lever laser was turned off. Because we want to return to observing before waiting a few hours for the laser to settle and stop glitching, we are going to leave it off for the night.
Turned back on, because LLO is down for the night anyway.