NP
We did our best despite the weather : strong wind that forced the operator to stop the telescope. We started off observing at around 16h30 UT with yesterday'a focus determination (z=-1.88, determined on the 2mm matrix, Numdet 453). Later in the night, in much worse conditions then yesterday, we did another focus and found z = -1.59:
Earlier, we could do some "crosses". We could not make any strong conclusion obviously, but it helped us make sure we could decorrelate from the common mode at least and get sensible results despite the wind: