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Location: Brest, France

The following ISS sightings are possible from Friday May 14, 2021 through Saturday May 29, 2021

Date Visible Max Height Appears Disappears Share Event
Fri May 14, 10:49 PM 4 min 15° 10° above S 10° above E  
Sat May 15, 12:24 AM 7 min 73° 10° above WSW 10° above ENE  
Sat May 15, 2:02 AM 7 min 48° 10° above W 10° above ENE  
Sat May 15, 3:39 AM 7 min 61° 10° above WNW 10° above E  
Sat May 15, 5:15 AM 6 min 38° 10° above WNW 10° above SE  
Sat May 15, 11:37 PM 7 min 50° 10° above SW 10° above ENE  
Sun May 16, 1:14 AM 7 min 54° 10° above W 10° above ENE  
Sun May 16, 2:51 AM 7 min 52° 10° above WNW 10° above E  
Sun May 16, 4:28 AM 7 min 56° 10° above WNW 10° above SE  
Sun May 16, 10:50 PM 6 min 34° 10° above SSW 10° above E  
Mon May 17, 12:26 AM 7 min 64° 10° above W 10° above ENE  
Mon May 17, 2:04 AM 7 min 47° 10° above WNW 10° above E  
Mon May 17, 3:40 AM 7 min 80° 10° above WNW 10° above ESE  
Mon May 17, 5:18 AM 5 min 17° 10° above W 10° above S  
Mon May 17, 11:39 PM 7 min 82° 10° above WSW 10° above ENE  
Tue May 18, 1:16 AM 7 min 46° 10° above WNW 10° above ENE  
Tue May 18, 2:53 AM 3 min 55° 10° above WNW 55° above NW  
Tue May 18, 10:51 PM 7 min 74° 10° above WSW 10° above ENE  
Wed May 19, 12:28 AM 7 min 48° 10° above W 10° above ENE  
Wed May 19, 2:06 AM 4 min 61° 10° above WNW 58° above NE  
Wed May 19, 11:41 PM 7 min 53° 10° above W 10° above ENE  
Thu May 20, 1:18 AM 5 min 52° 10° above WNW 28° above ENE  
Thu May 20, 2:55 AM 1 min 18° 10° above WNW 18° above WNW  
Thu May 20, 10:53 PM 7 min 64° 10° above W 10° above ENE  
Fri May 21, 12:31 AM 6 min 47° 10° above WNW 12° above E  
Fri May 21, 2:07 AM 2 min 39° 10° above WNW 39° above WNW  
Fri May 21, 11:43 PM 7 min 46° 10° above WNW 10° above ENE  
Sat May 22, 1:20 AM 4 min 77° 10° above WNW 60° above E  
Sat May 22, 10:56 PM 7 min 48° 10° above W 10° above ENE  
Sun May 23, 12:33 AM 5 min 61° 10° above WNW 25° above E  
Sun May 23, 2:10 AM 1 min 20° 10° above WNW 20° above W  
Sun May 23, 11:45 PM 7 min 52° 10° above WNW 9° above E  
Mon May 24, 1:22 AM 3 min 47° 10° above WNW 47° above WSW  
Mon May 24, 10:58 PM 7 min 47° 10° above WNW 10° above E  
Tue May 25, 12:35 AM 4 min 79° 10° above WNW 42° above SE  
Tue May 25, 11:47 PM 6 min 78° 10° above WNW 17° above ESE  
Wed May 26, 1:25 AM 2 min 21° 10° above W 21° above WSW  
Wed May 26, 11:00 PM 7 min 61° 10° above WNW 10° above E  
Thu May 27, 12:37 AM 3 min 37° 10° above WNW 36° above SSW  
Thu May 27, 11:50 PM 5 min 55° 10° above WNW 24° above SE  
Fri May 28, 11:02 PM 7 min 79° 10° above WNW 9° above ESE  
Sat May 29, 12:40 AM 2 min 17° 10° above W 17° above SW  
2021-05-14 20:49:00.0,Fri May 14, 10:49 PM,4 min,15°,10° above S,10° above E|2021-05-14 22:24:00.0,Sat May 15, 12:24 AM,7 min,73°,10° above WSW,10° above ENE|2021-05-15 00:02:00.0,Sat May 15, 2:02 AM,7 min,48°,10° above W,10° above ENE|2021-05-15 01:39:00.0,Sat May 15, 3:39 AM,7 min,61°,10° above WNW,10° above E|2021-05-15 03:15:00.0,Sat May 15, 5:15 AM,6 min,38°,10° above WNW,10° above SE|2021-05-15 21:37:00.0,Sat May 15, 11:37 PM,7 min,50°,10° above SW,10° above ENE|2021-05-15 23:14:00.0,Sun May 16, 1:14 AM,7 min,54°,10° above W,10° above ENE|2021-05-16 00:51:00.0,Sun May 16, 2:51 AM,7 min,52°,10° above WNW,10° above E|2021-05-16 02:28:00.0,Sun May 16, 4:28 AM,7 min,56°,10° above WNW,10° above SE|2021-05-16 20:50:00.0,Sun May 16, 10:50 PM,6 min,34°,10° above SSW,10° above E|2021-05-16 22:26:00.0,Mon May 17, 12:26 AM,7 min,64°,10° above W,10° above ENE|2021-05-17 00:04:00.0,Mon May 17, 2:04 AM,7 min,47°,10° above WNW,10° above E|2021-05-17 01:40:00.0,Mon May 17, 3:40 AM,7 min,80°,10° above WNW,10° above ESE|2021-05-17 03:18:00.0,Mon May 17, 5:18 AM,5 min,17°,10° above W,10° above S|2021-05-17 21:39:00.0,Mon May 17, 11:39 PM,7 min,82°,10° above WSW,10° above ENE|2021-05-17 23:16:00.0,Tue May 18, 1:16 AM,7 min,46°,10° above WNW,10° above ENE|2021-05-18 00:53:00.0,Tue May 18, 2:53 AM,3 min,55°,10° above WNW,55° above NW|2021-05-18 20:51:00.0,Tue May 18, 10:51 PM,7 min,74°,10° above WSW,10° above ENE|2021-05-18 22:28:00.0,Wed May 19, 12:28 AM,7 min,48°,10° above W,10° above ENE|2021-05-19 00:06:00.0,Wed May 19, 2:06 AM,4 min,61°,10° above WNW,58° above NE|2021-05-19 21:41:00.0,Wed May 19, 11:41 PM,7 min,53°,10° above W,10° above ENE|2021-05-19 23:18:00.0,Thu May 20, 1:18 AM,5 min,52°,10° above WNW,28° above ENE|2021-05-20 00:55:00.0,Thu May 20, 2:55 AM,1 min,18°,10° above WNW,18° above WNW|2021-05-20 20:53:00.0,Thu May 20, 10:53 PM,7 min,64°,10° above W,10° above ENE|2021-05-20 22:31:00.0,Fri May 21, 12:31 AM,6 min,47°,10° above WNW,12° above E|2021-05-21 00:07:00.0,Fri May 21, 2:07 AM,2 min,39°,10° above WNW,39° above WNW|2021-05-21 21:43:00.0,Fri May 21, 11:43 PM,7 min,46°,10° above WNW,10° above ENE|2021-05-21 23:20:00.0,Sat May 22, 1:20 AM,4 min,77°,10° above WNW,60° above E|2021-05-22 20:56:00.0,Sat May 22, 10:56 PM,7 min,48°,10° above W,10° above ENE|2021-05-22 22:33:00.0,Sun May 23, 12:33 AM,5 min,61°,10° above WNW,25° above E|2021-05-23 00:10:00.0,Sun May 23, 2:10 AM,1 min,20°,10° above WNW,20° above W|2021-05-23 21:45:00.0,Sun May 23, 11:45 PM,7 min,52°,10° above WNW,9° above E|2021-05-23 23:22:00.0,Mon May 24, 1:22 AM,3 min,47°,10° above WNW,47° above WSW|2021-05-24 20:58:00.0,Mon May 24, 10:58 PM,7 min,47°,10° above WNW,10° above E|2021-05-24 22:35:00.0,Tue May 25, 12:35 AM,4 min,79°,10° above WNW,42° above SE|2021-05-25 21:47:00.0,Tue May 25, 11:47 PM,6 min,78°,10° above WNW,17° above ESE|2021-05-25 23:25:00.0,Wed May 26, 1:25 AM,2 min,21°,10° above W,21° above WSW|2021-05-26 21:00:00.0,Wed May 26, 11:00 PM,7 min,61°,10° above WNW,10° above E|2021-05-26 22:37:00.0,Thu May 27, 12:37 AM,3 min,37°,10° above WNW,36° above SSW|2021-05-27 21:50:00.0,Thu May 27, 11:50 PM,5 min,55°,10° above WNW,24° above SE|2021-05-28 21:02:00.0,Fri May 28, 11:02 PM,7 min,79°,10° above WNW,9° above ESE|2021-05-28 22:40:00.0,Sat May 29, 12:40 AM,2 min,17°,10° above W,17° above SW|

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