Everyone has a sky they would recognise. The one over the garden where they grew up. The one on the night something changed. We spend our whole lives beneath it, yet rarely stop to look up, almost never with the tools to understand what we are seeing. That is the small, lovely problem the Skylit Studio Night Sky Explorer was built to solve: a free, full planetarium that runs in any browser and shows you the real night sky for any date, any time, and anywhere on Earth.
See for yourself. The sky below is live and real, exactly as it looks right now. Drag to look around, scroll to zoom, and tap anything to find out what it is.
One sky, any moment
Type in a place. Choose a date and a time. The stars quietly rearrange themselves into the exact pattern that stood over those coordinates at that instant. A birthday. An anniversary. The night two people met. It is the same sky that was genuinely overhead, recreated from more than forty thousand stars computed from real astronomical catalogues rather than painted on as decoration. Drag to look around, pinch or scroll to zoom, and the whole hemisphere moves with you.
The constellations, drawn the old way
Switch on the figures and the old constellation artwork fades in across the sky. Orion raises his shield, the twins of Gemini stand side by side, and the great characters of Taurus and Perseus take their places, drawn in the same style as the illustrated star atlases astronomers engraved by hand for centuries. Turn on the labels and every constellation names itself, so a field of scattered points becomes a sky you can actually read.
Tap anything to hear its story
Tap a point of light and it introduces itself. Reach for Betelgeuse, the red shoulder of Orion, and the Explorer tells you it sits some 498 light years away, that it is so vast it would swallow the orbit of Jupiter, and that astronomers expect it to end as a supernova. Every star, planet and deep-sky object carries its own card: how bright it is, how far away it sits, where it is in your sky at that moment, and a short note on why it is worth knowing.
The whole living sky
This is not a flat field of dots. The Milky Way arches across the view as a true band of light, placed precisely where our galaxy sits behind the stars. The planets appear with their proper colours and brightness, deep-sky objects mark the faint smudges that telescopes love, and live satellites slide overhead in real time, the International Space Station and the long trains of Starlink, computed from the same orbital data the rest of the world tracks them with.
Hold your device up to the real sky
On a phone or tablet there is an augmented reality mode. Grant access to the camera and the motion sensors, lift your device toward the sky, and the names and figures settle over the real stars in front of you. It works in daylight too, so you can find where a planet is hiding behind the blue, or trace a constellation that has not risen yet. It is the quickest way to turn a vague upward glance into actually knowing what you are looking at.
Travel through time
The sky is never still, and neither is the Explorer. Nudge the time forward and back and watch the stars wheel overhead, the planets drift along their paths, and the Moon move through its phases. Push the date far enough and you can stand under the sky of a distant birthday, a historic night, or a year still to come. The same engine that draws tonight will happily draw a sky a thousand years from now.
Questions, answered
Is the Night Sky Explorer really free?
Yes, completely. There is no account to make and nothing to pay. Open it, choose a date and a place, and explore for as long as you like.
How accurate is it?
The engine uses the d3-celestial library with Yale Bright Star Catalogue data and full ephemeris planetary positions, giving arc-minute-level accuracy for any date between roughly 3000 BCE and 3000 CE.
Can I see the sky from a specific place and time?
Yes. Type any city or town into the place field and pick a date and time, and the sky rotates to show the exact horizon that stood over those coordinates at that moment.
Does it work on a phone, and what is AR mode?
It works on phones and tablets as well as on a computer. In augmented reality mode you grant camera and motion access, lift your device toward the sky, and the star and constellation names settle over the real stars in front of you.
What is the difference between the Explorer and a star map print?
The Explorer is the free, interactive planetarium. A Custom Star Map is a printed, framed keepsake of one exact night, drawn from the same astronomical data and shipped to your door.
A note from the maker
Hi, I am Axel, the founder of Skylit Studio and the person who built the Night Sky Explorer.
My fascination with the sky started long before Skylit Studio existed. Back in like 2013 I was sitting in my garden one clear night with my cool new iPhone 5, and I thought I’d point it up at the sky and try to photograph the stars. The shots came out dark and unremarkable, so I began nudging the contrast, the brightness and the exposure, and slowly little glimmers appeared on the screen. I was convinced I had captured the stars themselves. Only later did I realise I had accidentally created digital artefacts, little glints conjured by the editing rather than real starlight 🤣. But the feeling of pulling stars out of a dark frame stayed with me, and it never really left.
Years later I turned that curiosity into what is now Skylit Studio. And The Night Sky Explorer is the part I am proudest of so far. It is the tool I wish I had owned back in that garden chair: something that shows you the real sky, names everything in it, and asks nothing in return. I built it to be free, because the wonder of looking up should be free too. If it helps one more person step outside, point at a star and actually know what they are looking at, then it has done its job.
Axel, Founder of Skylit Studio
From a moment to something you can keep
The Night Sky Explorer is free, and it will stay that way. It is the most generous way we know to share the thing Skylit Studio cares about most, which is the quiet wonder of looking up. When you find a moment worth holding onto, you can turn that exact view into a Custom Star Map, printed on fine paper, framed, and shipped to your door. The map on the wall and the sky in the browser are drawn from the same astronomical data, so what you choose to frame is true to the moment.
Open the Night Sky Explorer and find your sky. Your birthday, your anniversary, the night you want to remember. It has been waiting up there the whole time.
