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Location: Pittsburgh, Pennsylvania, United States

The following ISS sightings are possible from Wednesday Apr 17, 2024 through Thursday May 2, 2024

Date Visible Max Height Appears Disappears Share Event
Thu Apr 18, 5:45 AM 4 min 15° 10° above SSE 10° above E  
Sat Apr 20, 5:43 AM 6 min 40° 10° above SSW 10° above ENE  
Sun Apr 21, 4:56 AM 4 min 23° 19° above SSE 10° above E  
Mon Apr 22, 4:10 AM 1 min 12° 12° above ESE 10° above E  
Mon Apr 22, 5:42 AM 6 min 68° 14° above WSW 10° above NE  
Tue Apr 23, 4:55 AM 4 min 67° 46° above SSW 10° above ENE  
Wed Apr 24, 4:08 AM 2 min 28° 28° above E 10° above ENE  
Wed Apr 24, 5:41 AM 6 min 29° 11° above W 10° above NE  
Thu Apr 25, 4:54 AM 4 min 45° 34° above WNW 10° above NE  
Fri Apr 26, 4:07 AM 2 min 42° 42° above NE 10° above NE  
Fri Apr 26, 5:41 AM 5 min 18° 10° above WNW 10° above NNE  
Sat Apr 27, 3:20 AM 1 min 14° 14° above ENE 10° above ENE  
Sat Apr 27, 4:52 AM 4 min 23° 17° above WNW 10° above NNE  
Sun Apr 28, 4:05 AM 3 min 30° 30° above N 10° above NE  
Sun Apr 28, 5:40 AM 3 min 13° 10° above NW 10° above NNE  
Mon Apr 29, 3:18 AM 1 min 18° 18° above NE 10° above NE  
Mon Apr 29, 4:51 AM 4 min 15° 10° above NW 10° above NNE  
Tue Apr 30, 4:03 AM 3 min 19° 18° above NNW 10° above NNE  
Tue Apr 30, 5:40 AM 3 min 12° 10° above NNW 10° above NNE  
Wed May 1, 3:16 AM 1 min 18° 18° above NNE 10° above NNE  
Wed May 1, 4:50 AM 3 min 12° 10° above NNW 10° above NNE  
Thu May 2, 2:28 AM < 1 min 9° 9° above NE 10° above NE  
Thu May 2, 4:01 AM 3 min 13° 11° above NW 10° above NNE  
Thu May 2, 5:38 AM 4 min 14° 10° above NNW 10° above NE  
{ts '2024-04-18 09:45:00'},Thu Apr 18, 5:45 AM,4 min,15°,10° above SSE,10° above E|{ts '2024-04-20 09:43:00'},Sat Apr 20, 5:43 AM,6 min,40°,10° above SSW,10° above ENE|{ts '2024-04-21 08:56:00'},Sun Apr 21, 4:56 AM,4 min,23°,19° above SSE,10° above E|{ts '2024-04-22 08:10:00'},Mon Apr 22, 4:10 AM,1 min,12°,12° above ESE,10° above E|{ts '2024-04-22 09:42:00'},Mon Apr 22, 5:42 AM,6 min,68°,14° above WSW,10° above NE|{ts '2024-04-23 08:55:00'},Tue Apr 23, 4:55 AM,4 min,67°,46° above SSW,10° above ENE|{ts '2024-04-24 08:08:00'},Wed Apr 24, 4:08 AM,2 min,28°,28° above E,10° above ENE|{ts '2024-04-24 09:41:00'},Wed Apr 24, 5:41 AM,6 min,29°,11° above W,10° above NE|{ts '2024-04-25 08:54:00'},Thu Apr 25, 4:54 AM,4 min,45°,34° above WNW,10° above NE|{ts '2024-04-26 08:07:00'},Fri Apr 26, 4:07 AM,2 min,42°,42° above NE,10° above NE|{ts '2024-04-26 09:41:00'},Fri Apr 26, 5:41 AM,5 min,18°,10° above WNW,10° above NNE|{ts '2024-04-27 07:20:00'},Sat Apr 27, 3:20 AM,1 min,14°,14° above ENE,10° above ENE|{ts '2024-04-27 08:52:00'},Sat Apr 27, 4:52 AM,4 min,23°,17° above WNW,10° above NNE|{ts '2024-04-28 08:05:00'},Sun Apr 28, 4:05 AM,3 min,30°,30° above N,10° above NE|{ts '2024-04-28 09:40:00'},Sun Apr 28, 5:40 AM,3 min,13°,10° above NW,10° above NNE|{ts '2024-04-29 07:18:00'},Mon Apr 29, 3:18 AM,1 min,18°,18° above NE,10° above NE|{ts '2024-04-29 08:51:00'},Mon Apr 29, 4:51 AM,4 min,15°,10° above NW,10° above NNE|{ts '2024-04-30 08:03:00'},Tue Apr 30, 4:03 AM,3 min,19°,18° above NNW,10° above NNE|{ts '2024-04-30 09:40:00'},Tue Apr 30, 5:40 AM,3 min,12°,10° above NNW,10° above NNE|{ts '2024-05-01 07:16:00'},Wed May 1, 3:16 AM,1 min,18°,18° above NNE,10° above NNE|{ts '2024-05-01 08:50:00'},Wed May 1, 4:50 AM,3 min,12°,10° above NNW,10° above NNE|{ts '2024-05-02 06:28:00'},Thu May 2, 2:28 AM,< 1 min,9°,9° above NE,10° above NE|{ts '2024-05-02 08:01:00'},Thu May 2, 4:01 AM,3 min,13°,11° above NW,10° above NNE|{ts '2024-05-02 09:38:00'},Thu May 2, 5:38 AM,4 min,14°,10° above NNW,10° above NE|

What am I looking for in the sky?

The space station looks like an airplane or a very bright star moving across the sky, except it doesn't have flashing lights or change direction. It will also be moving considerably faster than a typical airplane (airplanes generally fly at about 600 miles per hour; the space station flies at 17,500 miles per hour).

Below is a time-lapse photo of the space station moving across the sky.

The International Space Station is seen in this 30 second exposure as it flies over Elkton, VA early in the morning, Saturday, August 1, 2015. Photo Credit: NASA/Bill Ingalls The International Space Station is seen in this 30 second exposure as it flies over Elkton, VA early in the morning, Saturday, August 1, 2015. Photo Credit: NASA/Bill Ingalls

Visit the NASA Johnson Flickr Photostream

How do I Spot The Station?

What does all this sighting information mean?

Time is when the sighting opportunity will begin in your local time zone. All sightings will occur within a few hours before or after sunrise or sunset. This is the optimum viewing period as the sun reflects off the space station and contrasts against the darker sky.

Visible is the maximum time period the space station is visible before crossing back below the horizon.

Max Height is measured in degrees (also known as elevation). It represents the height of the space station from the horizon in the night sky. The horizon is at zero degrees, and directly overhead is ninety degrees. If you hold your fist at arm's length and place your fist resting on the horizon, the top will be about 10 degrees.

Appears is the location in the sky where the station will be visible first. This value, like maximum height, also is measured in degrees from the horizon. The letters represent compass directions -- N is north, WNW is west by northwest, and so on.

Disappears represents where in the night sky the International Space Station will leave your field of view.

Astronomical Horizon chart. Click the link for a detailed description of the astronomical horizon and sighting alert messages.

National Aeronautics and Space Administration Page Editor: Bill Keeter NASA Official: Jacob Keaton