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Personal astronomy
Sky Signal
Solar System now
Daily fact
Loading a clean fact.
Start with your sky
Start with your sky
Set a city or GPS, get tonight's Night Signal, then let Plus watch stronger nights for you.
1. Set location
2. Check Tonight
3. Unlock Plus Watch
Star
Sun
The Sun anchors the Solar System.
Tap a planet or moon to inspect it.
Location
Set your sky
Night Signal
Tonight
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waiting for sky data
Set your sky
Set a city or share GPS to calculate your personal sky window.
Watch plan
Tonight checklist
Set a location to build a short plan.
Plus
Let Sky Signal watch the week
Free gives you tonight. Plus quietly watches stronger nights, meteor peaks and saved places for you.
Space Brief
Official updates
Loading official space updates.
Facts
Daily facts
Loading facts.
Sky Signal Plus
Unlock automatic sky watching
Plus does not replace the free app. It makes Sky Signal watch the sky for you.
Why Plus matters
You do not need to open the app every night. Plus checks the week, meteor peaks and saved places, then tells you when the sky is actually worth your time.
Free
0 Stars
Useful every day, no payment needed.
Live Solar System
Tonight Night Signal
Official Space Brief
Plus
49 Stars
A one-time Stars unlock that lets Sky Signal watch important nights for you.
Automatic good-night watching
Weekly best-night watch
Meteor peak reminders
Checkout opens inside Telegram with Stars. Sky Signal receives only the payment result and Telegram payment ID, never your card or bank details.
Plus activates on this Telegram account. Reopen the Mini App or tap Sync if it takes a few seconds.
One-time unlock
49 Stars
Open Sky Signal inside Telegram to unlock with Stars.
Terms: /terms. Payment support: /paysupport.
Plus
Best Nights Watch
Plus can watch the week and message you when the sky is genuinely worth your time.
Set a location to preview your next best nights.
Plus
Saved Places Compare
Save places you care about and let Plus show where the next strong night is.
Add a city to compare your best upcoming nights.
Alerts
Free preview
Set a location to preview the next possible alert.
Settings
App basics
Sky Signal currently uses English only, so the bot and Mini App stay clean, readable and reliable.
Profile
Sky viewer
Privacy
Privacy
Sky Signal stores only what is needed: saved location, alert settings, Plus status and payment IDs for support/refunds. Analytics use rounded location coordinates.
Credits
Credits
Planet positions use NASA/JPL approximate elements. News comes from NASA, JPL and ESA feeds. Weather comes from Open-Meteo.
Terms
Support
Plus is a digital one-time unlock paid with Telegram Stars. Forecasts are guidance, not a guarantee of visibility.
For payment or refund issues use /paysupport in the bot or email skysignal.app@gmail.com. Do not send card or banking details. Include the approximate payment time and Telegram transaction ID if you have it.
skysignal.app@gmail.comRefunds
Refunds
If Plus was paid but not delivered, use /paysupport or email skysignal.app@gmail.com. Valid failed-delivery cases can be refunded through Telegram Stars.
Backups
Backups
Payment IDs, Plus status and support data are stored on the server and can be backed up from production.