[Hirata, Ushiba-san, Ikeda-san]

We checked IR beam position around PR2 HR side Mid-size baffle. (How to make the vertical line is same as klog:29282)
It looks that IR beam positon is about 3.5mm +Y side away from the center of aperture.(IR beam center is 68.5mm and aperture center is 72mm on the ruler.)