Contact | Deutsch main navigation: horizontal list Home Observation FAQ Links New York City The International Space Station (ISS) can easily be spotted with the naked eye. Because of its size (110m x 100m x 30m), it reflects a large amount of sunlight. The best time to observe the ISS is when it is nighttime at your location, and the Space Station is sunlit. Often, such a viewing situation occurs in the morning before sunrise, or in the evening after sunset. <p>The International Space Station can easily be spotted with the naked eye. Because of its size (110m x 100m x 30m) it reflects very much sunlight.</p> <p>The best time to observe the ISS is when it is night time at your location, but the Space Station is sunlit. Such a situation occurs often in the morning before sunrise or in the evening after sunset.</p> You find a list of the next sighting o...