2017A Day 3: Umbrella

It was cloudy and windy and foggy, so we stayed in the control room waiting for the clouds to go away. Laird felt bored at the beginning of the night, but he immediately realized the adaptive secondary mirror was in danger. The ASM is very delicate, and even a single raindrop can potentially destroy it. So, we need to build a giant umbrella.

Terrible weather...

Terrible weather…

Very foggy.

Very foggy.

The umbrella is just a big plastic sheet about the size of the HST primary mirror to cover the back of the ASM.

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We want to cover the back of the ASM.

We want to cover the back of the ASM.

Laird was training Jared how to rescue the ASM.

Laird was training Jared how to rescue the ASM.

So the ASM was saved and we were happy. Time to have some girl scout cookies!

Astronomers are always hungry.

Astronomers are always hungry. Thank you Annabel!

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Although we built an umbrella, I hope we will never listen to the rhythm of the falling rain here at LCO.

I was told I should follow the rules for the song. The twisters in yesterday’s song remind me of this song from Jay Chou:

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