Bortle Scale Sky

Name: AstroTee Bortle Scale Sky - Bortle Scale Sky
Brand: AstroTee
SKU: 52876143001932
Price: 32.95 USD
Availability: InStock
Rating: 4.8571 (7 reviews)

4.5 (1,234)

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$32.95

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Color

Black

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Visualize the beauty of true dark skies with this unique "Bortle Scale" T-shirt! Featuring a striking graphic that illustrates the progression from light-polluted urban skies to breathtaking Bortle 1 conditions, revealing the Milky Way in all its glory. This design is perfect for astronomers, stargazers, and advocates for dark sky preserv

4.9

7 ratings

Great images - haven’t seen anywhere else as good as yours.

Brian · September 27, 2026

I had a problem with the placement of the graphic on my shirt but customer support took care of it immediately and replaced the shirt. My husband loves it! Thanks for your quick and professional service.

Barbara · June 16, 2026