Cleaning Keck segments with First Contact - January 2007

View of the Keck primary and its 36 hexagonal segment primary mirror.

Each hexagonal segment can be taken out individually for maintenance: cleaning, coating, etc..

This is the second time First Contact has been used at Keck.

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View of a Keck segment masked off and coated with First Contact.

Close up view of the surface after First Contact is applied.

Peeling First Contact off after it was allowed to cure.

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