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Location: Istanbul, Turkey

The following ISS sightings are possible from Monday Apr 23, 2018 through Wednesday May 9, 2018

Date Visible Max Height Appears Disappears Share Event
Mon Apr 30, 5:37 AM 3 min 23° 11° above S 20° above ESE  
Tue May 1, 4:46 AM 2 min 12° 10° above SSE 10° above ESE  
Wed May 2, 5:28 AM 4 min 57° 10° above SW 39° above E  
Thu May 3, 4:37 AM 3 min 28° 19° above S 20° above E  
Fri May 4, 3:47 AM 2 min 15° 15° above SE 10° above E  
Fri May 4, 5:20 AM 4 min 58° 10° above WSW 33° above NNE  
Sat May 5, 4:29 AM 2 min 73° 37° above SW 35° above ENE  
Sun May 6, 3:39 AM 2 min 30° 30° above ESE 13° above ENE  
Sun May 6, 5:12 AM 4 min 29° 11° above W 18° above NNE  
Mon May 7, 4:21 AM 2 min 47° 31° above W 30° above NNE  
Tue May 8, 3:31 AM 1 min 47° 47° above NE 23° above NE  
Tue May 8, 5:04 AM 4 min 19° 10° above WNW 13° above NNE  
2018-04-30 02:37:00.0,Mon Apr 30, 5:37 AM,3 min,23°,11° above S,20° above ESE|2018-05-01 01:46:00.0,Tue May 1, 4:46 AM,2 min,12°,10° above SSE,10° above ESE|2018-05-02 02:28:00.0,Wed May 2, 5:28 AM,4 min,57°,10° above SW,39° above E|2018-05-03 01:37:00.0,Thu May 3, 4:37 AM,3 min,28°,19° above S,20° above E|2018-05-04 00:47:00.0,Fri May 4, 3:47 AM,2 min,15°,15° above SE,10° above E|2018-05-04 02:20:00.0,Fri May 4, 5:20 AM,4 min,58°,10° above WSW,33° above NNE|2018-05-05 01:29:00.0,Sat May 5, 4:29 AM,2 min,73°,37° above SW,35° above ENE|2018-05-06 00:39:00.0,Sun May 6, 3:39 AM,2 min,30°,30° above ESE,13° above ENE|2018-05-06 02:12:00.0,Sun May 6, 5:12 AM,4 min,29°,11° above W,18° above NNE|2018-05-07 01:21:00.0,Mon May 7, 4:21 AM,2 min,47°,31° above W,30° above NNE|2018-05-08 00:31:00.0,Tue May 8, 3:31 AM,1 min,47°,47° above NE,23° above NE|2018-05-08 02:04:00.0,Tue May 8, 5:04 AM,4 min,19°,10° above WNW,13° above NNE|

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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