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Location: Huntsville, Ontario, Canada

The following ISS sightings are possible from Friday May 18, 2018 through Saturday Jun 2, 2018

Date Visible Max Height Appears Disappears Share Event
Sat May 19, 1:07 AM 2 min 31° 31° above N 10° above NE  
Sat May 19, 2:41 AM 5 min 26° 11° above NW 10° above ENE  
Sat May 19, 4:18 AM 6 min 58° 10° above WNW 10° above ESE  
Sun May 20, 00:16 AM 2 min 30° 30° above NNE 12° above NE  
Sun May 20, 1:49 AM 5 min 25° 11° above WNW 10° above ENE  
Sun May 20, 3:25 AM 6 min 40° 10° above NW 11° above E  
Sun May 20, 5:02 AM 6 min 39° 10° above WNW 11° above SSE  
Sun May 20, 9:44 PM 4 min 18° 10° above S 11° above E  
Sun May 20, 11:19 PM 6 min 70° 10° above WSW 10° above ENE  
Mon May 21, 00:56 AM 5 min 27° 11° above WNW 10° above NE  
Mon May 21, 2:34 AM 5 min 31° 11° above NW 12° above ENE  
Mon May 21, 4:10 AM 6 min 71° 10° above WNW 10° above SE  
Mon May 21, 10:27 PM 6 min 70° 10° above SW 10° above ENE  
Tue May 22, 00:04 AM 6 min 31° 11° above WNW 10° above NE  
Tue May 22, 1:41 AM 5 min 27° 11° above NW 10° above ENE  
Tue May 22, 3:17 AM 6 min 69° 10° above WNW 10° above ESE  
Tue May 22, 4:55 AM 4 min 18° 10° above W 11° above S  
Tue May 22, 9:35 PM 6 min 39° 10° above SSW 10° above ENE  
Tue May 22, 11:11 PM 6 min 40° 10° above W 11° above NE  
Wed May 23, 00:49 AM 5 min 25° 11° above NW 10° above ENE  
Wed May 23, 2:25 AM 6 min 45° 10° above NW 12° above E  
Wed May 23, 4:02 AM 5 min 32° 11° above WNW 11° above SSE  
Wed May 23, 10:19 PM 6 min 59° 10° above WSW 10° above ENE  
Wed May 23, 11:56 PM 5 min 26° 11° above WNW 10° above NE  
Thu May 24, 1:33 AM 4 min 34° 12° above NW 20° above ENE  
Thu May 24, 3:10 AM < 1 min 12° 10° above WNW 12° above WNW  
Thu May 24, 9:27 PM 6 min 85° 10° above WSW 11° above ENE  
Thu May 24, 11:04 PM 5 min 29° 11° above WNW 11° above NE  
Fri May 25, 00:41 AM 4 min 28° 11° above NW 18° above ENE  
Fri May 25, 2:17 AM 1 min 18° 10° above WNW 18° above WNW  
Fri May 25, 10:12 PM 6 min 36° 12° above W 11° above NE  
Fri May 25, 11:49 PM 5 min 25° 11° above NW 10° above ENE  
Sat May 26, 1:25 AM 2 min 32° 10° above NW 32° above NW  
Sat May 26, 9:19 PM 6 min 51° 12° above W 10° above NE  
Sat May 26, 10:59 PM 3 min 25° 25° above N 10° above NE  
Sun May 27, 00:33 AM 3 min 37° 10° above NW 36° above NNE  
Sun May 27, 10:07 PM 3 min 28° 28° above N 11° above NE  
Sun May 27, 11:43 PM 3 min 29° 27° above NNW 16° above ENE  
Mon May 28, 1:17 AM 1 min 18° 10° above WNW 18° above WNW  
Mon May 28, 10:51 PM 3 min 26° 24° above NNW 10° above ENE  
Tue May 29, 00:25 AM 3 min 50° 10° above WNW 50° above NNW  
Tue May 29, 9:59 PM 3 min 25° 25° above N 10° above ENE  
Tue May 29, 11:34 PM 3 min 41° 25° above NW 28° above ENE  
Wed May 30, 1:09 AM < 1 min 12° 10° above WNW 12° above WNW  
Wed May 30, 10:43 PM 4 min 32° 28° above NNW 10° above E  
Thu May 31, 00:17 AM 2 min 34° 10° above WNW 34° above WNW  
Thu May 31, 9:51 PM 3 min 27° 25° above NNW 10° above ENE  
Thu May 31, 11:25 PM 3 min 72° 15° above WNW 59° above E  
Fri Jun 1, 10:35 PM 3 min 47° 36° above NNW 17° above E  
Sat Jun 2, 00:09 AM 1 min 19° 11° above W 19° above W  
2018-05-19 05:07:00.0,Sat May 19, 1:07 AM,2 min,31°,31° above N,10° above NE|2018-05-19 06:41:00.0,Sat May 19, 2:41 AM,5 min,26°,11° above NW,10° above ENE|2018-05-19 08:18:00.0,Sat May 19, 4:18 AM,6 min,58°,10° above WNW,10° above ESE|2018-05-20 04:16:00.0,Sun May 20, 00:16 AM,2 min,30°,30° above NNE,12° above NE|2018-05-20 05:49:00.0,Sun May 20, 1:49 AM,5 min,25°,11° above WNW,10° above ENE|2018-05-20 07:25:00.0,Sun May 20, 3:25 AM,6 min,40°,10° above NW,11° above E|2018-05-20 09:02:00.0,Sun May 20, 5:02 AM,6 min,39°,10° above WNW,11° above SSE|2018-05-21 01:44:00.0,Sun May 20, 9:44 PM,4 min,18°,10° above S,11° above E|2018-05-21 03:19:00.0,Sun May 20, 11:19 PM,6 min,70°,10° above WSW,10° above ENE|2018-05-21 04:56:00.0,Mon May 21, 00:56 AM,5 min,27°,11° above WNW,10° above NE|2018-05-21 06:34:00.0,Mon May 21, 2:34 AM,5 min,31°,11° above NW,12° above ENE|2018-05-21 08:10:00.0,Mon May 21, 4:10 AM,6 min,71°,10° above WNW,10° above SE|2018-05-22 02:27:00.0,Mon May 21, 10:27 PM,6 min,70°,10° above SW,10° above ENE|2018-05-22 04:04:00.0,Tue May 22, 00:04 AM,6 min,31°,11° above WNW,10° above NE|2018-05-22 05:41:00.0,Tue May 22, 1:41 AM,5 min,27°,11° above NW,10° above ENE|2018-05-22 07:17:00.0,Tue May 22, 3:17 AM,6 min,69°,10° above WNW,10° above ESE|2018-05-22 08:55:00.0,Tue May 22, 4:55 AM,4 min,18°,10° above W,11° above S|2018-05-23 01:35:00.0,Tue May 22, 9:35 PM,6 min,39°,10° above SSW,10° above ENE|2018-05-23 03:11:00.0,Tue May 22, 11:11 PM,6 min,40°,10° above W,11° above NE|2018-05-23 04:49:00.0,Wed May 23, 00:49 AM,5 min,25°,11° above NW,10° above ENE|2018-05-23 06:25:00.0,Wed May 23, 2:25 AM,6 min,45°,10° above NW,12° above E|2018-05-23 08:02:00.0,Wed May 23, 4:02 AM,5 min,32°,11° above WNW,11° above SSE|2018-05-24 02:19:00.0,Wed May 23, 10:19 PM,6 min,59°,10° above WSW,10° above ENE|2018-05-24 03:56:00.0,Wed May 23, 11:56 PM,5 min,26°,11° above WNW,10° above NE|2018-05-24 05:33:00.0,Thu May 24, 1:33 AM,4 min,34°,12° above NW,20° above ENE|2018-05-24 07:10:00.0,Thu May 24, 3:10 AM,< 1 min,12°,10° above WNW,12° above WNW|2018-05-25 01:27:00.0,Thu May 24, 9:27 PM,6 min,85°,10° above WSW,11° above ENE|2018-05-25 03:04:00.0,Thu May 24, 11:04 PM,5 min,29°,11° above WNW,11° above NE|2018-05-25 04:41:00.0,Fri May 25, 00:41 AM,4 min,28°,11° above NW,18° above ENE|2018-05-25 06:17:00.0,Fri May 25, 2:17 AM,1 min,18°,10° above WNW,18° above WNW|2018-05-26 02:12:00.0,Fri May 25, 10:12 PM,6 min,36°,12° above W,11° above NE|2018-05-26 03:49:00.0,Fri May 25, 11:49 PM,5 min,25°,11° above NW,10° above ENE|2018-05-26 05:25:00.0,Sat May 26, 1:25 AM,2 min,32°,10° above NW,32° above NW|2018-05-27 01:19:00.0,Sat May 26, 9:19 PM,6 min,51°,12° above W,10° above NE|2018-05-27 02:59:00.0,Sat May 26, 10:59 PM,3 min,25°,25° above N,10° above NE|2018-05-27 04:33:00.0,Sun May 27, 00:33 AM,3 min,37°,10° above NW,36° above NNE|2018-05-28 02:07:00.0,Sun May 27, 10:07 PM,3 min,28°,28° above N,11° above NE|2018-05-28 03:43:00.0,Sun May 27, 11:43 PM,3 min,29°,27° above NNW,16° above ENE|2018-05-28 05:17:00.0,Mon May 28, 1:17 AM,1 min,18°,10° above WNW,18° above WNW|2018-05-29 02:51:00.0,Mon May 28, 10:51 PM,3 min,26°,24° above NNW,10° above ENE|2018-05-29 04:25:00.0,Tue May 29, 00:25 AM,3 min,50°,10° above WNW,50° above NNW|2018-05-30 01:59:00.0,Tue May 29, 9:59 PM,3 min,25°,25° above N,10° above ENE|2018-05-30 03:34:00.0,Tue May 29, 11:34 PM,3 min,41°,25° above NW,28° above ENE|2018-05-30 05:09:00.0,Wed May 30, 1:09 AM,< 1 min,12°,10° above WNW,12° above WNW|2018-05-31 02:43:00.0,Wed May 30, 10:43 PM,4 min,32°,28° above NNW,10° above E|2018-05-31 04:17:00.0,Thu May 31, 00:17 AM,2 min,34°,10° above WNW,34° above WNW|2018-06-01 01:51:00.0,Thu May 31, 9:51 PM,3 min,27°,25° above NNW,10° above ENE|2018-06-01 03:25:00.0,Thu May 31, 11:25 PM,3 min,72°,15° above WNW,59° above E|2018-06-02 02:35:00.0,Fri Jun 1, 10:35 PM,3 min,47°,36° above NNW,17° above E|2018-06-02 04:09:00.0,Sat Jun 2, 00:09 AM,1 min,19°,11° above W,19° above W|

Last Updated:

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