![]() The International Space Station (ISS) slices across Perseus and Taurus in a time exposure made on August 11, 2011. The letters represent compass directions - N is north, WNW is west by northwest, and so on.ĭisappears represents where in the night sky the International Space Station will leave your field of view. The annual International Space Station marathon viewing season begins later this week, when skywatchers in the Northern Hemisphere can watch up to five ISS passes in one night. It perhaps comes as no surprise that it's easy to see and track the ISS. The spacecraft houses science labs from the United States, Japan, Russia and several European countries. Several countries worked together to design, build and staff the ISS. This value, like maximum height, also is measured in degrees from the horizon. The International Space Station (ISS) is a multi-nation laboratory, orbiting 248 miles (400 kilometers) above our heads. Since November 2000, the International Space Station has been home to astronauts from around the world, studying what happens to people when they live and work in space. If you hold your fist at arm's length and place your fist resting on the horizon, the top will be about 10 degrees.Īppears is the location in the sky where the station will be visible first. The horizon is at zero degrees, and directly overhead is ninety degrees. It represents the height of the space station from the horizon in the night sky. Max Height is measured in degrees (also known as elevation). Because of its size (110m x 100m x 30m), it reflects a large amount of sunlight. Visible is the maximum time period the space station is visible before crossing back below the horizon. The International Space Station (ISS) can easily be spotted with the naked eye. These flyovers provide the best chance for a sighting opportunity because they are visible above most landscapes and buildings. This is the optimum viewing period as the sun reflects off the space station and contrasts against the darker sky. If you are signed up for alerts please note that you will only receive alerts for flyovers that will reach a Max Height of at least 40°. The ISS will appear in our sky at 4:29 a.m. All sightings will occur within a few hours before or after sunrise or sunset. The International Space Station is expected to offer a great, naked eye viewing opportunities as it passes over central Pennsylvania this weekend. Time is when the sighting opportunity will begin in your local time zone. The letters represent compass directions - N is north, WNW is west by northwest, and so on.ĭisappears represents where in the night sky the International Space Station will leave your field of view.What does all this sighting information mean? ![]() This value, like maximum height, also is measured in degrees from the horizon. ![]() ![]() Max Height is measured in degrees (also known as elevation). In the top image, Hurricane Larry is pictured out of station’s Cupola window. ![]() Five spaceships are parked at the space station including Northrop Grumman’s Cygnus space freighter the SpaceX Crew Dragon vehicle and Russia’s Soyuz MS-19 crew ship and ISS Progress 78 and 79 resupply ships. Visible is the maximum time period the space station is visible before crossing back below the horizon. 29, 2021: International Space Station Configuration. This is the optimum viewing period as the sun reflects off the space station and contrasts against the darker sky. All sightings will occur within a few hours before or after sunrise or sunset. What does all this sighting information mean? ![]()
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