The mirror is Flat

Thanks to the hard work of Armando, Marco and Runa the Magellan ASM has had its first round of flattening with the 4D interferometer in the test Tower. It took only one day from start to finish. The shell flattened very well, except in the central area which is hidden from light by the Magellan telescope’s central obscuration, so it does not matter.

The first flat of the Magellan adaptive secondary