Here is a summary of some of the best curves obtained in the last few days (past Thursday, Saturday, Sunday), with corresponding UTC times for reference.

There are large variations in the noise from lock to lock, and also during the same lock (see for example beginning and end of last night ~7h long lock).

The obvious thing that we are not controlling right now is the SRM alignment, so recommission the SRM ASC is the next step.

Note: also, we haven't been consistently setting the IMC WFS offsets to minimize the peaks between 200Hz - 1kHz.