Rolling 24-hour window, newest readings at the right.
Darkest (24h)
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Bortle (Darkest)
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Rolling graph is still populating. If the node has been offline within the last 24 hours, the graph may be incomplete.
Night Phases
All times are approximate and based on this nodes location.
Sunrise (today)
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Sunset (today)
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Astro Darkness Start (today)
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Astro Darkness End (tomorrow)
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Astro Darkness Duration
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Astronomical Darkness: The period when the sun is more than 18° below the horizon, providing the darkest sky conditions ideal for observing faint stars and deep-sky objects.