Visiting the Mayall 4 meter

The Steward Observatory’s Bok 2.3m telescope sits right beside the largest telescope on Kitt Peak Mountain: the Mayall 4 meter. I’ve posted pics of it many times, like here, and here, and here. I’ve walked up to it a few times and gone inside the visitor centre there, but an up-close look at the telescope is usually only afforded to those that are using the telescope. Happily, we met the operator of the telescope and he offered us a chance to see it. This is what it looks like when astronomers geek out over astronomy-type things:

The Mayall 4m was placed at the highest point of Kitt Peak, and is itself many stories high, making it the highest point on the mountain.

The Mayall 4m was placed at the highest point of Kitt Peak, and is itself many stories high, making it the highest point on the mountain.

Standing next to the telescope operator, I got to ask lots of questions.

Standing next to the telescope operator, I got to ask lots of questions.

Looking down the barrel of the 4m, it was turned on its side to fill up the instrument with liquid nitrogen (just like at the Bok). You'll notice in the mirror Pat is taking my picture...as I take his...

Looking down the barrel of the 4m, it was turned on its side to fill up the instrument dewar with liquid nitrogen (just like at the Bok). You’ll notice in the mirror Pat is taking my picture…as I take his…

From far away, the 4m looks a bit like the Millennium Falcon. Punch it Chewy.

From far away, the 4m looks a bit like the Millennium Falcon. Punch it Chewy.

Pat standing in front of the 4m on its side.

Pat standing in front of the 4m on its side.

Me at the prime focus of the 4m. helluva big scope.

Me at the prime focus of the 4m. helluva big scope.

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