ApexSKY

Planets: Jupiter moon chart, moon counts & Great Red Spot windows. Weather alerts for US, Canada, Australia & UK. Tonight's sky — free at your location.

ApexSKY shows your local sky at a glance — built for aurora chasers, meteor watchers, and tonight's observing plan.

TONIGHT'S DASHBOARD

• Home: Tonight's Sky score, weather snapshot, moon phase, and space weather at a glance

• Observing forecast timeline — clouds, seeing, moon, and score through the night

• Aurora Outlook with a 24-hour Kp forecast for your location

LIVE SPACE WEATHER

• NOAA SWPC data: Kp, Bz, solar wind, geomagnetic outlook

• Animated aurora probability map and solar imagery carousel

• Optional push alerts when activity spikes (Kp / storm thresholds)

ISS, METEORS & PLANETS

• Upcoming ISS passes with brightness, direction, and ground track map

• Meteor shower outlook, sporadic rates, and active shower windows for your sky

• Planet positions and visibility for tonight

LOCATION & ALERTS

• GPS or manual observing site; saved dark-sky sites when signed in

• Notifications for aurora, geomagnetic storms, ISS passes, and more

• Works without an account for core sky features

ACCOUNT & MEMBERSHIP

• Free ApexASTRO account: sync preferences, saved sites, observing log, achievements, and Messier browse in Best Targets

• ApexSKY Member ($3.99/month): subscribe in the app to unlock the full deep-sky planner — NGC, Caldwell, IC, Tonight's Top 3, planning windows, and PRO Sky conditions

• Sign in at account.apexastro.app; membership syncs to your ApexASTRO account on iPhone and web where supported

ACHIEVEMENTS

• Log observations, earn XP and badges; Trophy Room tracks your progress

Core sky features are free. Membership is optional and unlocks the advanced observing planner.

Data from NOAA SWPC, Open-Meteo, 7Timer, and public astronomy sources. Forecasts and aurora outlooks are estimates — always use local judgment for travel and observing.

Questions or feedback: https://support.apexastro.app

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Terms of Use (EULA): https://apexastro.app/terms.html