30F3+002+Figuring+the+primary+mirror

Polishing was completed on the 15th Jne 2016. The first ROC tests and Interferometery tests are shown below. This is typical of what comes off the polishing machine. The surface is 6 microns PV. Deviation should be aound 7 microns PV. The edge is lower than expected with a high centre. This provides the first error map for figuring.