Tonight's sky
See moonlight, sunset, astronomical twilight, and hours of darkness together in one place.
Stargazing companion
Find your night
under the stars
Read the sky, find a place, and keep every observing memory. One thoughtful companion for before, during, and after your night out.
Download on the App StoreMade for iPhone · Free to start
306stargazing locations
3 modesLight Dark and red
2 languagesEnglish and Japanese
0ads and tracking
Your night at a glance
A collection that grows
with every night out
See tonight's sky, location discovery, and a real-world visit collection filled with meaningful data.
Features
Everything you need
for a night under the stars
306 observing locations
Browse observatories, planetariums, dark-sky places, and viewpoints by category or Bortle class.
Map and search
Filter by distance and keyword, save favorites, and open directions in Apple Maps when it is time to go.
Plans and reminders
Save a date and notes for each location, then schedule a reminder so the next night is ready.
Visits and collection
Keep ratings, sky conditions, objects seen, notes, and photos on your device, then revisit your history and badges.
Made for the night
Switch between English and Japanese, plus Light, Dark, and red-light Night Vision color modes.
Plans
Start free
go deeper with Premium
FREE
Free
Find the sky, understand tonight, and keep your memories.
- Map and location search
- Tonight's observing conditions
- Favorites and visit logs
- Photos, badges, and backup
PREMIUM
Starlocus Premium
Plan the next night and go deeper into your observing history.
- Observing plans and reminders
- Advanced statistics
- Complete visit history
- Ongoing feature updates
Private by design
Your observing memories
stay on your device
No account, advertising, or third-party analytics SDK is required. Visits, photos, and observing plans remain on your iPhone.
Contact
For support, feedback, or privacy questions