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Sighting Location

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Location: Johnson Space Center, Texas, United States

The following ISS sightings are possible from Wednesday Mar 14, 2018 through Friday Mar 30, 2018

Date Visible Max Height Appears Disappears Share Event
Fri Mar 16, 6:59 AM 3 min 18° 10° above N 18° above NE  
Sat Mar 17, 6:09 AM 1 min 10° 10° above NNE 10° above NE  
Sun Mar 18, 6:51 AM 4 min 49° 11° above NNW 40° above E  
Mon Mar 19, 5:59 AM 3 min 23° 11° above NNW 22° above NE  
Tue Mar 20, 5:10 AM < 1 min 12° 12° above NE 12° above NE  
Tue Mar 20, 6:43 AM 6 min 46° 10° above NW 11° above SSE  
Wed Mar 21, 5:53 AM 3 min 68° 58° above N 12° above SE  
Wed Mar 21, 8:50 PM 2 min 24° 10° above SSW 24° above S  
Thu Mar 22, 6:37 AM 2 min 15° 14° above WSW 10° above SSW  
Thu Mar 22, 7:58 PM 4 min 16° 10° above SSE 10° above E  
Thu Mar 22, 9:34 PM 1 min 21° 11° above W 21° above W  
Fri Mar 23, 8:42 PM 5 min 61° 10° above SW 18° above NNE  
Sat Mar 24, 7:52 PM 3 min 52° 47° above SSE 12° above NE  
Sat Mar 24, 9:29 PM 2 min 12° 11° above NW 10° above NNW  
Sun Mar 25, 8:37 PM 3 min 21° 21° above NW 10° above NNE  
2018-03-16 11:59:00.0,Fri Mar 16, 6:59 AM,3 min,18°,10° above N,18° above NE|2018-03-17 11:09:00.0,Sat Mar 17, 6:09 AM,1 min,10°,10° above NNE,10° above NE|2018-03-18 11:51:00.0,Sun Mar 18, 6:51 AM,4 min,49°,11° above NNW,40° above E|2018-03-19 10:59:00.0,Mon Mar 19, 5:59 AM,3 min,23°,11° above NNW,22° above NE|2018-03-20 10:10:00.0,Tue Mar 20, 5:10 AM,< 1 min,12°,12° above NE,12° above NE|2018-03-20 11:43:00.0,Tue Mar 20, 6:43 AM,6 min,46°,10° above NW,11° above SSE|2018-03-21 10:53:00.0,Wed Mar 21, 5:53 AM,3 min,68°,58° above N,12° above SE|2018-03-22 01:50:00.0,Wed Mar 21, 8:50 PM,2 min,24°,10° above SSW,24° above S|2018-03-22 11:37:00.0,Thu Mar 22, 6:37 AM,2 min,15°,14° above WSW,10° above SSW|2018-03-23 00:58:00.0,Thu Mar 22, 7:58 PM,4 min,16°,10° above SSE,10° above E|2018-03-23 02:34:00.0,Thu Mar 22, 9:34 PM,1 min,21°,11° above W,21° above W|2018-03-24 01:42:00.0,Fri Mar 23, 8:42 PM,5 min,61°,10° above SW,18° above NNE|2018-03-25 00:52:00.0,Sat Mar 24, 7:52 PM,3 min,52°,47° above SSE,12° above NE|2018-03-25 02:29:00.0,Sat Mar 24, 9:29 PM,2 min,12°,11° above NW,10° above NNW|2018-03-26 01:37:00.0,Sun Mar 25, 8:37 PM,3 min,21°,21° above NW,10° 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