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AstroHelper
Equipment
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About
Session setup
Pick the date for your imaging session.
Date
Observing date
The night starting on this date (local to your location)
Location
No location selected.
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Minimum usable altitude
Degrees above horizon
Objects below this altitude are excluded even where the horizon photo shows clear sky - low-altitude targets suffer from atmospheric extinction and often nearby light-pollution glow.
Continue to horizon photo →