TJ, TVo

At the end of last week, we moved SR3 to get the beam out to HAM6 without clipping on the OFI but this also required realignment on the HWS.  There was a little a bit of diffraction on the upper right corner of the return HWS beam so we tried to make a ring heater scan to see if this has any noticeable effect on the results (like extra noise), we ran the ring heater at 5 Watts input power on each segment for 3 hours (starting midnight local time).  Attached are the time trends and a picture of the contour plot.  I estimate the beam is off center on the test mass in pitch by about 1.5 cm and yaw by about 0.38 cm.  Depending on how the rest of the IFO alignment goes, such as ant SR3 moves, we might hold off on optimizing these offsets.