Category: Dispatches
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Humboldt Redwoods State Park Stargazing
Key takeaways Introduction Some of the tallest trees on Earth make a strange stargazing partner. They are the reason you drive out here, and they are also the reason you have to think hard about where you stand once the sun goes down. We had been on quite the streak in northern California, stargazing at…
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Stargazing in Redwood National Park: Giant Trees Under a Bortle 2 Sky
Key takeaways New to the numbers? The Bortle scale runs from 1, the darkest skies left on Earth, to 9, an inner city where the constellations disappear. Sky brightness is measured in mag/arcsec², where a higher number means a darker sky. A Bortle 2 is a truly dark sky, dark enough that your surroundings show…
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Stargazing in California’s Lost Coast: A Fantastical Bortle 2 Night Sky
Key takeaways New to the numbers? The Bortle scale runs from 1, the darkest skies left on Earth, to 9, an inner city where the constellations disappear. Sky brightness is measured in mag/arcsec², where a higher number means a darker sky. A Bortle 2 is a truly dark sky, dark enough that your surroundings show…
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San Francisco Stargazing: Downtown to Bortle 3 at Point Reyes
Key takeaways New to the numbers? The Bortle scale runs from 1, the darkest skies left on Earth, to 9, an inner city where the constellations disappear. Sky brightness is measured in mag/arcsec², where a higher number means a darker sky. A Bortle 3 is a properly dark rural sky, dark enough that the Milky Way still shows real…
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Lake Tahoe Stargazing: Finding an Apline Bortle 3 Dark Sky
Key takeaways New to the numbers? The Bortle scale runs from 1, the darkest skies left on Earth, to 9, an inner city where the constellations disappear. Sky brightness is measured in mag/arcsec², where a higher number means a darker sky. A Bortle 3 is a properly dark rural sky, dark enough that the Milky Way still shows real…