The big operation yesterday was the star cameras being lifted up on top of the inner frame. This allowed Mark to climb up to his Safety-Luke-approved favourite place—on top of the inner frame. Juan also finished up most of the job of mylarizing the sun shields. There are still some foam panels to stick in the back, but those don’t go in until we’re flight ready.
In other news, I went to the ice caves last night! Laura had gotten dry/frostbitten eyes during our Castle Rock hike. As an upside, because she went home early to have them checked out, she was back in time to get into the sign-up line. She and Ludo (a member of the CREAM team) signed up Juan and I. Annamarie and Stef were there as well. I’ll post photos once I’ve conducted an exchange with Annamarie, trading my photos of her for hers of me.
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- Juan, on a ladder with his Gaelen-inspired tape-holding belt
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- Nick drills some holes for cryostat rigid-attachment plates
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- The awesomest cold source there is: a foam mug (transparent to submm light), filled with eccosorb (opaque to submm) and liquid nitrogen (cold)
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- The secondary mirror is blackened
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- Mark waves the cold source around for the “Can you see me now?” test
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- Mark in his favourite spot, guiding the camera in
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- Thus begins the “wrestle into place” phase
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- Lorenzo gestures wildly during the operation. My guess is that here he’s being a puppeteer for his magic Mark marionette
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- As usual, Luke shows up to watch (it is his job, after all)
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- Star camera the first (OSC)
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- Using the fake sun to test the next camera’s baffle for light-tightness
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- Mark uses his usual surface cleaning tool: Scotch Brite
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- Matt is the crane operator of the day
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- Jeff guiding the camera, as it’s raised
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- More wrestling
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- With different connector orientations, they’re a bit cross-eyed (but done)
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