Tuesday, July 7, 2015

A 16.25" F4.5 Primary Mirror and 18-point Mirror Cell.....

Day's 16.25" F4.5 just returned from the coater with
an enhanced coating and silicone overcoat. Nice!!

The "mask" is used to place the center "donut" in the center
of the mirror.

The "donut" in place.  This makes for easy collimation.

The 18-point flotation mirror cell was built and optimized with Plop.
I give the silicone 48-hours to cure. 

The cell will be "firmly affixed" to the mirror -- yet can be removed if needed.

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