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Location: Huntsville, Ontario, Canada

The following ISS sightings are possible from Wednesday Feb 21, 2018 through Thursday Mar 8, 2018

Date Visible Max Height Appears Disappears Share Event
Mon Feb 26, 6:34 AM 3 min 35° 10° above SSW 35° above SE  
Tue Feb 27, 5:42 AM 3 min 20° 10° above S 19° above ESE  
Wed Feb 28, 4:52 AM 2 min 11° 10° above SSE 10° above ESE  
Wed Feb 28, 6:25 AM 5 min 78° 10° above SW 30° above ENE  
Thu Mar 1, 5:34 AM 3 min 43° 18° above SSW 33° above E  
Fri Mar 2, 4:45 AM 1 min 24° 24° above SE 17° above E  
Fri Mar 2, 6:17 AM 6 min 55° 10° above WSW 15° above NE  
Sat Mar 3, 5:27 AM 3 min 87° 35° above WSW 24° above ENE  
Sun Mar 4, 4:37 AM < 1 min 32° 32° above E 22° above ENE  
Sun Mar 4, 6:10 AM 5 min 35° 12° above W 13° above NE  
Mon Mar 5, 5:19 AM 3 min 48° 37° above WNW 18° above NE  
Tue Mar 6, 4:29 AM < 1 min 30° 30° above NE 20° above NE  
Tue Mar 6, 6:02 AM 5 min 27° 11° above WNW 13° above NE  
Wed Mar 7, 5:12 AM 3 min 32° 29° above NW 14° above NE  
Thu Mar 8, 4:21 AM < 1 min 24° 24° above NE 17° above NE  
Thu Mar 8, 5:54 AM 4 min 25° 11° above WNW 16° above NE  
2018-02-26 11:34:00.0,Mon Feb 26, 6:34 AM,3 min,35°,10° above SSW,35° above SE|2018-02-27 10:42:00.0,Tue Feb 27, 5:42 AM,3 min,20°,10° above S,19° above ESE|2018-02-28 09:52:00.0,Wed Feb 28, 4:52 AM,2 min,11°,10° above SSE,10° above ESE|2018-02-28 11:25:00.0,Wed Feb 28, 6:25 AM,5 min,78°,10° above SW,30° above ENE|2018-03-01 10:34:00.0,Thu Mar 1, 5:34 AM,3 min,43°,18° above SSW,33° above E|2018-03-02 09:45:00.0,Fri Mar 2, 4:45 AM,1 min,24°,24° above SE,17° above E|2018-03-02 11:17:00.0,Fri Mar 2, 6:17 AM,6 min,55°,10° above WSW,15° above NE|2018-03-03 10:27:00.0,Sat Mar 3, 5:27 AM,3 min,87°,35° above WSW,24° above ENE|2018-03-04 09:37:00.0,Sun Mar 4, 4:37 AM,< 1 min,32°,32° above E,22° above ENE|2018-03-04 11:10:00.0,Sun Mar 4, 6:10 AM,5 min,35°,12° above W,13° above NE|2018-03-05 10:19:00.0,Mon Mar 5, 5:19 AM,3 min,48°,37° above WNW,18° above NE|2018-03-06 09:29:00.0,Tue Mar 6, 4:29 AM,< 1 min,30°,30° above NE,20° above NE|2018-03-06 11:02:00.0,Tue Mar 6, 6:02 AM,5 min,27°,11° above WNW,13° above NE|2018-03-07 10:12:00.0,Wed Mar 7, 5:12 AM,3 min,32°,29° above NW,14° above NE|2018-03-08 09:21:00.0,Thu Mar 8, 4:21 AM,< 1 min,24°,24° above NE,17° above NE|2018-03-08 10:54:00.0,Thu Mar 8, 5:54 AM,4 min,25°,11° above WNW,16° above NE|

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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