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Location: Donostia-San Sebastian, Spain

The following ISS sightings are possible from Friday Apr 18, 2025 through Saturday May 3, 2025

Date Visible Max Height Appears Disappears Share Event
Sun Apr 20, 6:03 AM 5 min 27° 15° above S 10° above ENE  
Mon Apr 21, 5:17 AM 2 min 17° 16° above SE 10° above E  
Tue Apr 22, 6:04 AM 5 min 75° 24° above SW 10° above ENE  
Wed Apr 23, 5:17 AM 3 min 43° 43° above SSE 10° above ENE  
Thu Apr 24, 4:31 AM 1 min 19° 19° above E 10° above ENE  
Thu Apr 24, 6:04 AM 6 min 46° 18° above W 10° above NE  
Fri Apr 25, 5:18 AM 4 min 70° 63° above WNW 10° above NE  
Sat Apr 26, 4:32 AM 2 min 35° 35° above ENE 10° above ENE  
Sat Apr 26, 6:05 AM 6 min 27° 10° above WNW 10° above NE  
Sun Apr 27, 3:46 AM < 1 min 11° 11° above ENE 10° above ENE  
Sun Apr 27, 5:19 AM 4 min 34° 26° above WNW 10° above NE  
Mon Apr 28, 4:33 AM 3 min 38° 38° above NNE 10° above NE  
Mon Apr 28, 6:07 AM 5 min 20° 10° above WNW 10° above NE  
Tue Apr 29, 3:47 AM 1 min 19° 19° above NE 10° above NE  
Tue Apr 29, 5:20 AM 5 min 22° 14° above WNW 10° above NE  
Wed Apr 30, 4:34 AM 3 min 27° 26° above NNW 10° above NE  
Wed Apr 30, 6:09 AM 5 min 20° 10° above NW 10° above NE  
Thu May 1, 3:48 AM 2 min 22° 22° above NNE 10° above NE  
Thu May 1, 5:21 AM 5 min 19° 10° above NW 10° above NE  
Fri May 2, 3:01 AM < 1 min 12° 12° above NE 10° above NE  
Fri May 2, 4:34 AM 4 min 20° 16° above NW 10° above NE  
Fri May 2, 6:10 AM 6 min 24° 10° above NW 10° above ENE  
Sat May 3, 3:48 AM 2 min 22° 22° above N 10° above NE  
Sat May 3, 5:22 AM 5 min 21° 10° above NW 10° above ENE  
{ts '2025-04-20 04:03:00'},Sun Apr 20, 6:03 AM,5 min,27°,15° above S,10° above ENE|{ts '2025-04-21 03:17:00'},Mon Apr 21, 5:17 AM,2 min,17°,16° above SE,10° above E|{ts '2025-04-22 04:04:00'},Tue Apr 22, 6:04 AM,5 min,75°,24° above SW,10° above ENE|{ts '2025-04-23 03:17:00'},Wed Apr 23, 5:17 AM,3 min,43°,43° above SSE,10° above ENE|{ts '2025-04-24 02:31:00'},Thu Apr 24, 4:31 AM,1 min,19°,19° above E,10° above ENE|{ts '2025-04-24 04:04:00'},Thu Apr 24, 6:04 AM,6 min,46°,18° above W,10° above NE|{ts '2025-04-25 03:18:00'},Fri Apr 25, 5:18 AM,4 min,70°,63° above WNW,10° above NE|{ts '2025-04-26 02:32:00'},Sat Apr 26, 4:32 AM,2 min,35°,35° above ENE,10° above ENE|{ts '2025-04-26 04:05:00'},Sat Apr 26, 6:05 AM,6 min,27°,10° above WNW,10° above NE|{ts '2025-04-27 01:46:00'},Sun Apr 27, 3:46 AM,< 1 min,11°,11° above ENE,10° above ENE|{ts '2025-04-27 03:19:00'},Sun Apr 27, 5:19 AM,4 min,34°,26° above WNW,10° above NE|{ts '2025-04-28 02:33:00'},Mon Apr 28, 4:33 AM,3 min,38°,38° above NNE,10° above NE|{ts '2025-04-28 04:07:00'},Mon Apr 28, 6:07 AM,5 min,20°,10° above WNW,10° above NE|{ts '2025-04-29 01:47:00'},Tue Apr 29, 3:47 AM,1 min,19°,19° above NE,10° above NE|{ts '2025-04-29 03:20:00'},Tue Apr 29, 5:20 AM,5 min,22°,14° above WNW,10° above NE|{ts '2025-04-30 02:34:00'},Wed Apr 30, 4:34 AM,3 min,27°,26° above NNW,10° above NE|{ts '2025-04-30 04:09:00'},Wed Apr 30, 6:09 AM,5 min,20°,10° above NW,10° above NE|{ts '2025-05-01 01:48:00'},Thu May 1, 3:48 AM,2 min,22°,22° above NNE,10° above NE|{ts '2025-05-01 03:21:00'},Thu May 1, 5:21 AM,5 min,19°,10° above NW,10° above NE|{ts '2025-05-02 01:01:00'},Fri May 2, 3:01 AM,< 1 min,12°,12° above NE,10° above NE|{ts '2025-05-02 02:34:00'},Fri May 2, 4:34 AM,4 min,20°,16° above NW,10° above NE|{ts '2025-05-02 04:10:00'},Fri May 2, 6:10 AM,6 min,24°,10° above NW,10° above ENE|{ts '2025-05-03 01:48:00'},Sat May 3, 3:48 AM,2 min,22°,22° above N,10° above NE|{ts '2025-05-03 03:22:00'},Sat May 3, 5:22 AM,5 min,21°,10° above NW,10° above ENE|

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