Heavens-Above Pro|教育線上App不用買

When can I see the ISS? What's that light in the sky? The official Heavens-Above app provides you with precise pass predictions for the ISS, visible satellites, Iridium flares and radio satellites. Main features include:

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This version is free of advertisements. You can try the free version before buying this one.

Live sky chart

See what's in the sky above you right now or at a given moment.

Pass predictions

Get precise predictions for passes of the ISS and most visible satellites.

Iridium flares

See when Iridium satellites mirror the sunlight directly towards you, resulting in bright flares.

Radio satellites

Get passes for amateur radio satellites, complete with uplink and downlink information.

All calculations performed locally

Predictions are generated right on your phone so you only need a data connection every few days.

Orbit and ground track

See details about the orbit of any selected satellite rendered and with all relevant data.

Satellite details

Get detailed information about any satellite, as provided by our Heavens-Above website.

Timeline

Get a visual overview over passes and animate the position of satellites on the sky chart and on the ground track.

Night mode

An optional red on black color scheme to preserve your night vision.

Tracker

Easily find or identify any object in the sky by orienting your device towards it.

Calendar Integration

Quickly add interesting passes to your calendar so you won't miss them.

免費玩Heavens-Above Pro APP玩免費

免費玩Heavens-Above Pro App

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