GeminiFocus October 2013 | Page 18

lasted almost six years!” said Senior Optical Technician Clayton Ah Hee. While the overarching purpose of this shutdown was the coating of the primary mirror, we took the opportunity of the closed time to accomplish a lot of other tasks. Highlights of the work accomplished include: • Repair of mirror cover; • Repairs to the A&G unit; and • Upgrades and repairs to instruments. The entire summit team worked exceptionally hard to accomplish everything during this shutdown and deserve congratulations for their remarkable work. Andy Adamson is Gemini’s Associate Director of Operations and can be contacted at: [email protected] Figure 4. (left) A view inside of the coating chamber while the magnetron that applies silver to the primary mirror is in operation. Figure 5. (top right) The Gemini primary mirror emerges from the coating chamber with a fresh coating of Silver. Figure 6. (middle right) Gemini mechanical engineer Marcel Tognetti inspects the primary mirror shortly after it was re-installed in the mirror cell. October2013 GeminiFocus 18