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Forecast
Evening
Deep sky
Solar system
Atlas
Moon atlas
Planner
Alerts
APOD
About
Contact
Observing alerts
Get notified when conditions suit your observing plans.
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Observing preferences
Observing interest
General stargazing
Dark sky / deep sky
Moon and planets
Available from
Until
Minimum clear window
1 hour
1½ hours
2 hours
3 hours
Notification time
Observing evenings
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Weather and Moon limits
Maximum cloud cover (%)
Maximum wind (km/h)
Maximum rain probability (%)
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