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Location: Zurich, Switzerland

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, 10:50 PM 6 min 43° 10° above SW 10° above ENE  
Sat May 15, 12:27 AM 7 min 50° 10° above W 10° above ENE  
Sat May 15, 2:04 AM 6 min 39° 10° above WNW 10° above ENE  
Sat May 15, 3:41 AM 7 min 90° 10° above WNW 10° above ESE  
Sat May 15, 10:03 PM 6 min 28° 10° above SSW 10° above E  
Sat May 15, 11:39 PM 7 min 64° 10° above WSW 10° above ENE  
Sun May 16, 1:16 AM 6 min 38° 10° above WNW 10° above ENE  
Sun May 16, 2:53 AM 7 min 67° 10° above WNW 10° above ESE  
Sun May 16, 4:30 AM 6 min 27° 10° above W 10° above SSE  
Sun May 16, 10:52 PM 7 min 86° 10° above WSW 10° above ENE  
Mon May 17, 12:29 AM 6 min 39° 10° above WNW 10° above ENE  
Mon May 17, 2:06 AM 7 min 52° 10° above WNW 10° above E  
Mon May 17, 3:43 AM 6 min 41° 10° above WNW 10° above SE  
Mon May 17, 10:04 PM 7 min 66° 10° above SW 10° above ENE  
Mon May 17, 11:41 PM 6 min 43° 10° above W 10° above ENE  
Tue May 18, 1:18 AM 5 min 43° 10° above WNW 29° above ENE  
Tue May 18, 2:55 AM 1 min 14° 10° above WNW 14° above WNW  
Tue May 18, 10:54 PM 7 min 50° 10° above W 10° above ENE  
Wed May 19, 12:31 AM 5 min 39° 10° above WNW 17° above ENE  
Wed May 19, 2:08 AM 1 min 24° 10° above WNW 24° above WNW  
Wed May 19, 10:06 PM 7 min 64° 10° above WSW 10° above ENE  
Wed May 19, 11:43 PM 6 min 38° 10° above WNW 10° above ENE  
Thu May 20, 1:20 AM 2 min 44° 10° above WNW 44° above NW  
Thu May 20, 10:56 PM 6 min 39° 10° above WNW 10° above ENE  
Fri May 21, 12:33 AM 4 min 52° 10° above WNW 41° above ENE  
Fri May 21, 10:08 PM 6 min 42° 10° above W 10° above ENE  
Fri May 21, 11:46 PM 6 min 44° 10° above WNW 18° above ENE  
Sat May 22, 1:22 AM 2 min 24° 10° above WNW 24° above WNW  
Sat May 22, 10:58 PM 6 min 39° 10° above WNW 10° above ENE  
Sun May 23, 12:35 AM 3 min 68° 10° above WNW 68° above WNW  
Sun May 23, 10:11 PM 6 min 38° 10° above WNW 10° above ENE  
Sun May 23, 11:48 PM 4 min 67° 10° above WNW 41° above E  
Mon May 24, 1:25 AM < 1 min 11° 10° above W 11° above W  
Mon May 24, 11:00 PM 6 min 52° 10° above WNW 16° above E  
Tue May 25, 12:37 AM 2 min 28° 10° above WNW 28° above W  
Tue May 25, 10:13 PM 7 min 44° 10° above WNW 10° above E  
Tue May 25, 11:50 PM 4 min 61° 10° above WNW 59° above S  
Wed May 26, 11:02 PM 5 min 88° 10° above WNW 26° above ESE  
Thu May 27, 12:40 AM 1 min 12° 10° above W 12° above W  
Thu May 27, 10:15 PM 7 min 68° 10° above WNW 11° above ESE  
Thu May 27, 11:52 PM 2 min 26° 10° above W 26° above SW  
Fri May 28, 11:04 PM 4 min 40° 10° above WNW 27° above SSE  
2021-05-14 20:50:00.0,Fri May 14, 10:50 PM,6 min,43°,10° above SW,10° above ENE|2021-05-14 22:27:00.0,Sat May 15, 12:27 AM,7 min,50°,10° above W,10° above ENE|2021-05-15 00:04:00.0,Sat May 15, 2:04 AM,6 min,39°,10° above WNW,10° above ENE|2021-05-15 01:41:00.0,Sat May 15, 3:41 AM,7 min,90°,10° above WNW,10° above ESE|2021-05-15 20:03:00.0,Sat May 15, 10:03 PM,6 min,28°,10° above SSW,10° above E|2021-05-15 21:39:00.0,Sat May 15, 11:39 PM,7 min,64°,10° above WSW,10° above ENE|2021-05-15 23:16:00.0,Sun May 16, 1:16 AM,6 min,38°,10° above WNW,10° above ENE|2021-05-16 00:53:00.0,Sun May 16, 2:53 AM,7 min,67°,10° above WNW,10° above ESE|2021-05-16 02:30:00.0,Sun May 16, 4:30 AM,6 min,27°,10° above W,10° above SSE|2021-05-16 20:52:00.0,Sun May 16, 10:52 PM,7 min,86°,10° above WSW,10° above ENE|2021-05-16 22:29:00.0,Mon May 17, 12:29 AM,6 min,39°,10° above WNW,10° above ENE|2021-05-17 00:06:00.0,Mon May 17, 2:06 AM,7 min,52°,10° above WNW,10° above E|2021-05-17 01:43:00.0,Mon May 17, 3:43 AM,6 min,41°,10° above WNW,10° above SE|2021-05-17 20:04:00.0,Mon May 17, 10:04 PM,7 min,66°,10° above SW,10° above ENE|2021-05-17 21:41:00.0,Mon May 17, 11:41 PM,6 min,43°,10° above W,10° above ENE|2021-05-17 23:18:00.0,Tue May 18, 1:18 AM,5 min,43°,10° above WNW,29° above ENE|2021-05-18 00:55:00.0,Tue May 18, 2:55 AM,1 min,14°,10° above WNW,14° above WNW|2021-05-18 20:54:00.0,Tue May 18, 10:54 PM,7 min,50°,10° above W,10° above ENE|2021-05-18 22:31:00.0,Wed May 19, 12:31 AM,5 min,39°,10° above WNW,17° above ENE|2021-05-19 00:08:00.0,Wed May 19, 2:08 AM,1 min,24°,10° above WNW,24° above WNW|2021-05-19 20:06:00.0,Wed May 19, 10:06 PM,7 min,64°,10° above WSW,10° above ENE|2021-05-19 21:43:00.0,Wed May 19, 11:43 PM,6 min,38°,10° above WNW,10° above ENE|2021-05-19 23:20:00.0,Thu May 20, 1:20 AM,2 min,44°,10° above WNW,44° above NW|2021-05-20 20:56:00.0,Thu May 20, 10:56 PM,6 min,39°,10° above WNW,10° above ENE|2021-05-20 22:33:00.0,Fri May 21, 12:33 AM,4 min,52°,10° above WNW,41° above ENE|2021-05-21 20:08:00.0,Fri May 21, 10:08 PM,6 min,42°,10° above W,10° above ENE|2021-05-21 21:46:00.0,Fri May 21, 11:46 PM,6 min,44°,10° above WNW,18° above ENE|2021-05-21 23:22:00.0,Sat May 22, 1:22 AM,2 min,24°,10° above WNW,24° above WNW|2021-05-22 20:58:00.0,Sat May 22, 10:58 PM,6 min,39°,10° above WNW,10° above ENE|2021-05-22 22:35:00.0,Sun May 23, 12:35 AM,3 min,68°,10° above WNW,68° above WNW|2021-05-23 20:11:00.0,Sun May 23, 10:11 PM,6 min,38°,10° above WNW,10° above ENE|2021-05-23 21:48:00.0,Sun May 23, 11:48 PM,4 min,67°,10° above WNW,41° above E|2021-05-23 23:25:00.0,Mon May 24, 1:25 AM,< 1 min,11°,10° above W,11° above W|2021-05-24 21:00:00.0,Mon May 24, 11:00 PM,6 min,52°,10° above WNW,16° above E|2021-05-24 22:37:00.0,Tue May 25, 12:37 AM,2 min,28°,10° above WNW,28° above W|2021-05-25 20:13:00.0,Tue May 25, 10:13 PM,7 min,44°,10° above WNW,10° above E|2021-05-25 21:50:00.0,Tue May 25, 11:50 PM,4 min,61°,10° above WNW,59° above S|2021-05-26 21:02:00.0,Wed May 26, 11:02 PM,5 min,88°,10° above WNW,26° above ESE|2021-05-26 22:40:00.0,Thu May 27, 12:40 AM,1 min,12°,10° above W,12° above W|2021-05-27 20:15:00.0,Thu May 27, 10:15 PM,7 min,68°,10° above WNW,11° above ESE|2021-05-27 21:52:00.0,Thu May 27, 11:52 PM,2 min,26°,10° above W,26° above SW|2021-05-28 21:04:00.0,Fri May 28, 11:04 PM,4 min,40°,10° above WNW,27° above SSE|

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.