The International Space Station is one of the brightest objects in the night sky, and spotting it is easier than most people expect. It looks like a bright star moving steadily across the sky, far faster than an aircraft, and it does not blink. The trick is knowing when to look: the station is only visible when it passes overhead while the sky above you is dark but the station itself is still lit by the Sun.

The best passes happen shortly after sunset or shortly before sunrise. During that window, you are standing in darkness while the station, roughly 400 kilometres up, is still catching sunlight. Mid-evening passes are often the most convenient because you do not need to stay up late. Passes last only a few minutes — typically between two and six — so timing matters. Arrive outside a minute or two early, or you will miss the start.

Tracker apps take all the guesswork out of timing. Apps like ISS Detector, GoISSWatch, and the NASA app let you set your location and send an alert before a visible pass. They show the exact time, how high the station will climb in the sky, and the direction it will appear and disappear. Some apps offer an augmented-reality view: point your phone at the sky and it shows you the station's path. Enable notifications for your location and you will rarely miss a good pass.

When you read a pass prediction, pay attention to three numbers: the maximum elevation, the start direction, and the end direction. A pass that climbs to 60 degrees or higher will be bright and easy to spot; a pass that only reaches 10 degrees may be dim and hidden behind trees or buildings. The station moves from west to east on most passes, but the exact track varies. Knowing the start direction lets you face the right way instead of scanning the whole sky.

Brightness depends on how high the pass is and how much sunlight hits the station. On a good pass, the ISS can outshine every star in the sky and is unmistakable. On a low pass, it looks like an ordinary bright star moving steadily. Aircraft, by contrast, blink with red and white lights and move more slowly. Satellites other than the ISS are usually dimmer, so if you see something very bright moving fast, it is almost certainly the station.

For the best view, get away from bright streetlights and find a spot with a wide, unobstructed horizon. Even a few minutes of dark adaptation helps: avoid looking at your phone screen at full brightness while you wait. Clouds are the main spoiler — a thin layer of cloud can dim or hide the station entirely, so check the forecast and pick a clear night for your first attempt.

Once you have seen the ISS once, it becomes addictive. Kids love waving at the astronauts, photographers can capture it as a streak with a long exposure, and there is something genuinely moving about watching a football-field-sized laboratory with people aboard glide silently overhead. Set up alerts, pick a clear evening, and give yourself five minutes outside — you may find yourself checking for passes every week.

A bright ISS pass is also a fun photography target. With a phone on a tripod, use a long-exposure or night mode and point it at the part of the sky the station will cross — you will capture a bright streak rather than detail, which still looks impressive. With a camera, try a wide lens, manual focus set to infinity, and an exposure of ten to thirty seconds, depending on how long the pass lasts. Do not expect to see solar panels or structure without a telescope and tracking mount; the station is small and fast. The best first attempt is simply to watch with your eyes and take a phone photo as a souvenir, then try a proper long exposure on your second pass.