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Tune

Fine-tune your sky: location, horizon and alerts. Saved on this device.

🌄 Horizon

Your visible horizon

Hide targets blocked by trees, hills or buildings. Applied to tonight's planets, deep-sky and ISS lists.

NESW
View from above
90°
View from the side
Visible azimuth arc (clockwise)N 0° → N 360°
FromN 0°
ToN 360°
N 0°·E 90°·S 180°·W 270°

Tip: set To smaller than From to wrap through North (e.g. NW 315° → NE 45°).

Minimum altitude (horizon obstruction height)10°
15°30°45°60°

📍 Location

New York, NY
40.713, -74.006

Search a city

🔔 Alerts

Browser notifications

Notifications API not available in this browser.

Background push (when the tab is closed) requires a published install with a service worker. For now alerts fire while AstroPhoto.app is open in a tab.

Categories

🌌 Aurora alert
Trigger at Kp ≥ 5

Target watchlist

Get notified when a target enters its season and when tonight is good for it (≥30° altitude).

No targets yet — search above to add one.

Your event reminders

No event reminders yet — open the calendar and tap "Notify" on any event.