Sun
Sunrise
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Sunset
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Solar Noon
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Select an observing location
Tonight at a Glance
Forecast-based planning estimates for astronomical darkness, not a guarantee of sky conditions
Observing outlookSelect a location—
Best 2-hour window—Based on hourly cloud and transparency estimates
Average cloud cover—During forecast observing window
Moon illumination—Illumination alone does not indicate Moon altitude
Choose an observing location to load tonight's outlook.
Moon
Moonrise
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Moonset
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Phase
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Illumination
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Observing Conditions
Cloud Cover
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Visibility
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Temperature
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Observing Rating
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Twilight
Evening and morning observing windows
Civil Twilight
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Nautical Twilight
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Astronomical Twilight
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Solar System
Ordered outward from the Sun · Moon shown beside Earth · distances measured from Earth
| Object | Altitude | Azimuth | Distance from Earth | Visibility |
|---|---|---|---|---|
| Astronomy information will appear here. | ||||
Best Objects Tonight
Solar System targets ranked by current altitude
Select a location to see recommended targets.
Deep-Sky Objects Tonight
Messier targets ranked during astronomical darkness
Select a location to see deep-sky recommendations.
Tonight’s Target Altitude
Choose a recommended target to see its altitude throughout astronomical darkness (local observing time).
Dashed line: 30° recommended minimum. Curves are sampled every 30 minutes; actual conditions and local horizon obstructions may differ.
Tonight's Hourly Observing Forecast
Cloud cover and estimated transparency during astronomical darkness
Tonight's Observing Window
Estimated dark-sky period
Darkness Begins
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Darkness Ends
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Next 3 Days: Rain & Cloud Forecast
WeatherAPI daily chance of rain and average hourly cloud cover · local dates
Waiting for location…
Observing Target