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Location: Phoenix, Arizona, United States

The following ISS sightings are possible from Friday Jun 22, 2018 through Sunday Jul 8, 2018

Date Visible Max Height Appears Disappears Share Event
Wed Jun 27, 4:50 AM 3 min 13° 10° above SSE 11° above E  
Fri Jun 29, 4:41 AM 4 min 38° 10° above SSW 30° above E  
Sat Jun 30, 3:51 AM 4 min 18° 13° above SSE 10° above E  
Sun Jul 1, 4:33 AM 4 min 65° 13° above SW 35° above NNE  
Mon Jul 2, 3:43 AM 2 min 52° 42° above S 24° above ENE  
Tue Jul 3, 2:53 AM 1 min 18° 18° above E 10° above ENE  
Tue Jul 3, 4:26 AM 4 min 25° 13° above W 14° above NNE  
Wed Jul 4, 3:36 AM 2 min 48° 48° above NW 25° above NNE  
Thu Jul 5, 2:46 AM < 1 min 27° 27° above NE 18° above NE  
Thu Jul 5, 4:20 AM 3 min 12° 10° above NW 10° above N  
Fri Jul 6, 3:28 AM 2 min 20° 19° above NW 13° above N  
Sat Jul 7, 2:38 AM < 1 min 22° 22° above NNE 18° above NNE  
2018-06-27 11:50:00.0,Wed Jun 27, 4:50 AM,3 min,13°,10° above SSE,11° above E|2018-06-29 11:41:00.0,Fri Jun 29, 4:41 AM,4 min,38°,10° above SSW,30° above E|2018-06-30 10:51:00.0,Sat Jun 30, 3:51 AM,4 min,18°,13° above SSE,10° above E|2018-07-01 11:33:00.0,Sun Jul 1, 4:33 AM,4 min,65°,13° above SW,35° above NNE|2018-07-02 10:43:00.0,Mon Jul 2, 3:43 AM,2 min,52°,42° above S,24° above ENE|2018-07-03 09:53:00.0,Tue Jul 3, 2:53 AM,1 min,18°,18° above E,10° above ENE|2018-07-03 11:26:00.0,Tue Jul 3, 4:26 AM,4 min,25°,13° above W,14° above NNE|2018-07-04 10:36:00.0,Wed Jul 4, 3:36 AM,2 min,48°,48° above NW,25° above NNE|2018-07-05 09:46:00.0,Thu Jul 5, 2:46 AM,< 1 min,27°,27° above NE,18° above NE|2018-07-05 11:20:00.0,Thu Jul 5, 4:20 AM,3 min,12°,10° above NW,10° above N|2018-07-06 10:28:00.0,Fri Jul 6, 3:28 AM,2 min,20°,19° above NW,13° above N|2018-07-07 09:38:00.0,Sat Jul 7, 2:38 AM,< 1 min,22°,22° above NNE,18° 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