Nebulon: Sky Map & Stargazing
Your night sky, explained
Every star, planet and constellation above you, right now.
Point your phone, or drag to look around. Tap a star, planet or the Moon to learn about it.
Coming soon on the App Store
For iPhone. Free to download, with optional Nebulon Pro.
Free The sky above you, labelled
Constellation art: Johan Meuris, Stellarium, Free Art License 1.3. Shown in the Nebula look, part of Nebulon Pro.
About 2.36 million
stars on your iPhone
Free
63 million more
stream in as you zoom past 15×
Nebulon Pro
0 to 100
tonight's score for stargazing
Free
Shown in the Nebula look, part of Nebulon Pro.
Free
How good tonight is for stargazing, from 0 to 100, with clouds hour by hour, the Moon and what you can see.
. Map: Apple Maps. Light pollution: NASA Black Marble 2016. The darkest-spot pin, Darkest nearby and the drive suggestion are part of Nebulon Pro.Nebulon Pro
Zoom past 15× into 63 million stars.
The deep-zoom stars stream from Nebulon's server as you zoom, so they need a connection.
Nebulon Pro
Turn every planet in your hands and watch it spin.
Free
Today's picture and every earlier one are free. Browse the calendar and open any day's picture.
Free
Full stories from NASA, ESA/Hubble, ESA/Webb, ESO and NOIRLab with their credits, and headlines from other outlets that open on the publisher's site.
Free on TonightNebulon Pro for the full map
A live map on Tonight shows the light pollution around you and your own Bortle level. Full screen, the darkest spots nearby, the drive suggestion, saved spots and place search come with Nebulon Pro.
Point your phone at the sky and see every star, planet and constellation labelled.
Nebulon Pro
The sky at any hour, up to a year back or ahead.
Nebulon Pro
Purple, Midnight and Black. Realistic is free.
Nebulon Pro
Nebula, Aurora, Mars and Dawn. System, Apple Light and Apple Dark are free.
Nebulon Pro
A message on the evenings worth going out.
Nebulon Pro
A heads-up before the ISS and other satellites fly over.
Nebulon Pro
The ISS and other satellites on the sky with their passes, and meteor showers and the northern lights in Tonight.
Free
Tonight on your Home Screen and Lock Screen.
Free
Find pictures from NASA's image and video library, and save or share them.
Free
Nebulon Pro
Nebulon Pro is an optional auto-renewing subscription: yearly with a 7-day free trial for new subscribers, or monthly. Cancel anytime.
Free
Free download, no account
Nebulon Pro
Yearly with a 7-day free trial for new subscribers, or monthly
| Feature | Free | Pro |
|---|---|---|
| Sky | ||
| Live sky map: every star, planet and constellation above you, following your phone or your finger | Yes | Yes |
| About 2.36 million stars, zoom to 15× | Yes | Yes |
| Zoom past 15× into 63 million more stars (streamed, needs a connection) | No | Yes |
| Tap anything for its details, Find in sky, search the sky | Yes | Yes |
| Constellation lines, names and art, clusters, nebulae and galaxies, meteor shower radiants, grids | Yes | Yes |
| City skyline layer | Yes | Yes |
| Satellites and the ISS on the sky, with their passes | Yes | Yes |
| Pass reminders: a heads-up before the ISS and other satellites fly over | No | Yes |
| Sky through your camera | No | Yes |
| Time travel: the sky at any hour, up to a year back or ahead | No | Yes |
| Sky colours: Realistic | Yes | Yes |
| Sky colours: Purple, Midnight and Black | No | Yes |
| Tonight | ||
| Tonight's score, clouds hour by hour, the Moon, what you can see, meteor showers, northern lights | Yes | Yes |
| Tonight widget on the Home Screen and Lock Screen | Yes | Yes |
| Dark Sky Map on Tonight: a live map window with your own Bortle level | Yes | Yes |
| Full Dark Sky Map: full screen, the darkest spots nearby, the drive suggestion, saved spots and place search | No | Yes |
| Clear-sky alerts: a message on the evenings worth going out | No | Yes |
| Home and Search | ||
| Today's Astronomy Picture of the Day | Yes | Yes |
| Every earlier Picture of the Day, from the calendar | Yes | Yes |
| Solar System pages with facts and pictures | Yes | Yes |
| Planets in 3D | No | Yes |
| News | Yes | Yes |
| Search NASA's image library | Yes | Yes |
| Save image and Share | Yes | Yes |
| Profile | ||
| Looks: System, Apple Light, Apple Dark | Yes | Yes |
| Looks: Nebula, Aurora, Mars and Dawn | No | Yes |
| App icon: Eclipse | Yes | Yes |
| Alternate app icons (13) | No | Yes |
| Messages from Nebulon (optional) | Yes | Yes |
Your exact location stays on your iPhone to draw the sky; for Tonight's forecast, the weather and light pollution, Nebulon's own server receives a position rounded to about 1 km.
