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Photographer's Note

Yerkes Observatory home to the world's largest refracting 40-inch/102cm telescope. It is operated by the University of Chicago.

This image was made of the 40" telescope dome facing north. The day was mostly bright overcast with some sunlight poking through.

Cropping and very basic RAW/PS processing: sharpening, exposure, and color balancing.

Besides the polarizer a graduated ND filter was used to darken the sky.

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Additional Photos by Larry A Brechner (brech) Gold Star Critiquer/Gold Star Workshop Editor/Gold Note Writer [C: 76 W: 87 N: 79] (189)
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