How to Spot the International Space Station Tonight
Once you learn how to spot the International Space Station, the night sky changes forever. That bright, silent point of light gliding overhead is a football-field-sized laboratory orbiting Earth at 28,000 km/h, with people living inside it. No telescope needed. No jargon. Just you, the open sky, and a little timing.
What you are actually looking for
The ISS looks like a very bright star or planet that moves steadily across the sky. It does not blink like an aircraft and it leaves no trail. Instead it glides in a smooth, straight line, often as bright as Venus, taking just a few minutes to cross from one horizon to the other.
Its glow comes from sunlight reflecting off the station's huge solar panels. That is why the best sightings happen in the hour or two after sunset or before sunrise, when the sky around you is dark but the station, high above, is still catching the Sun.
How to spot the International Space Station step by step
Timing is everything, because the ISS only passes over your exact location for a few minutes at a time. Once you know when and where to look, the rest is easy. Find an open spot, let your eyes relax, and watch for that steady moving light.
- Pick a clear evening and an open view of the sky, away from tall buildings and bright streetlights.
- Look during twilight shortly after dusk or before dawn, when the station shines brightest against a dark sky.
- Watch the right direction it usually appears low in the west and travels toward the east.
- Track the steady glide if the light moves smoothly without flashing, you have found it.
Why it is worth the wait
Catching the ISS is one of the most rewarding ways to start watching the sky. It connects you, in real time, to a crewed outpost in space, and it works even from a light-polluted city. If you enjoy the chase, you might also love spotting the strange strings of lights from Starlink trains. And if you are brand new to all this, a gentle first night under the stars is a perfect place to begin.
Want to know exactly when the station will sail over your backyard? Open the Starly sky map, set your location, and let it show you the next bright pass over your patch of sky tonight.
Open the live sky map with the International Space Station selected — check its next pass over your location.
Frequently asked questions
How do I know if the moving light is the ISS and not a plane?
The ISS glides in a smooth, steady line without blinking and leaves no trail, while aircraft flash red and green lights. The station is usually very bright, often rivaling Venus, and crosses the sky in just a few minutes.
What time of night is best to see the space station?
Look during twilight, in the hour or two after sunset or before sunrise. The sky around you is dark while the high-flying station still catches sunlight, making it shine its brightest.