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Location: Edmonton, Alberta, Canada

The following ISS sightings are possible from Monday Nov 29, 2021 through Friday Dec 17, 2021

Date Visible Max Height Appears Disappears Share Event
Wed Dec 1, 6:28 PM 4 min 49° 10° above W 35° above SE  
Thu Dec 2, 5:41 PM 6 min 57° 10° above W 12° above ESE  
Thu Dec 2, 7:18 PM 2 min 23° 10° above W 23° above SW  
Fri Dec 3, 6:30 PM 5 min 32° 10° above W 22° above SSE  
Sat Dec 4, 5:43 PM 6 min 40° 10° above W 10° above SE  
Sat Dec 4, 7:21 PM 2 min 13° 10° above WSW 13° above SSW  
Sun Dec 5, 6:33 PM 5 min 18° 10° above W 10° above SSE  
Mon Dec 6, 5:46 PM 6 min 24° 10° above W 10° above SSE  
Tue Dec 7, 4:58 PM 6 min 31° 10° above W 10° above SE  
Wed Dec 8, 5:49 PM 3 min 13° 10° above WSW 10° above S  
Thu Dec 9, 5:01 PM 5 min 18° 10° above W 10° above S  

The following Cygnus sightings are possible from Monday Nov 29, 2021 through Friday Dec 17, 2021

Date Visible Max Height Appears Disappears Share Event
Mon Nov 29, 5:11 PM 7 min 56° 10° above WSW 10° above E  
Mon Nov 29, 6:48 PM 4 min 61° 10° above W 58° above SSE  
Tue Nov 30, 6:14 PM 5 min 63° 10° above W 32° above ESE  
Tue Nov 30, 7:51 PM 1 min 18° 10° above W 18° above WSW  
Wed Dec 1, 5:39 PM 7 min 65° 10° above W 14° above ESE  
Wed Dec 1, 7:17 PM 3 min 33° 10° above W 33° above SW  
Thu Dec 2, 5:05 PM 7 min 66° 10° above W 10° above E  
Thu Dec 2, 6:43 PM 4 min 39° 10° above W 34° above S  
Fri Dec 3, 6:08 PM 6 min 43° 10° above W 17° above SE  
Fri Dec 3, 7:47 PM 1 min 14° 10° above WSW 14° above SW  
Sat Dec 4, 5:34 PM 7 min 48° 10° above W 10° above ESE  
Sat Dec 4, 7:12 PM 3 min 18° 10° above W 16° above SSW  
Sun Dec 5, 4:59 PM 7 min 52° 10° above W 10° above ESE  
Sun Dec 5, 6:37 PM 5 min 20° 10° above W 10° above SSE  
Mon Dec 6, 6:03 PM 6 min 23° 10° above W 10° above SSE  
Tue Dec 7, 5:28 PM 6 min 26° 10° above W 10° above SSE  
Fri Dec 10, 5:24 PM 3 min 12° 10° above WSW 10° above SSW  
2021-12-02 01:28:00.0,Wed Dec 1, 6:28 PM,4 min,49°,10° above W,35° above SE|2021-12-03 00:41:00.0,Thu Dec 2, 5:41 PM,6 min,57°,10° above W,12° above ESE|2021-12-03 02:18:00.0,Thu Dec 2, 7:18 PM,2 min,23°,10° above W,23° above SW|2021-12-04 01:30:00.0,Fri Dec 3, 6:30 PM,5 min,32°,10° above W,22° above SSE|2021-12-05 00:43:00.0,Sat Dec 4, 5:43 PM,6 min,40°,10° above W,10° above SE|2021-12-05 02:21:00.0,Sat Dec 4, 7:21 PM,2 min,13°,10° above WSW,13° above SSW|2021-12-06 01:33:00.0,Sun Dec 5, 6:33 PM,5 min,18°,10° above W,10° above SSE|2021-12-07 00:46:00.0,Mon Dec 6, 5:46 PM,6 min,24°,10° above W,10° above SSE|2021-12-07 23:58:00.0,Tue Dec 7, 4:58 PM,6 min,31°,10° above W,10° above SE|2021-12-09 00:49:00.0,Wed Dec 8, 5:49 PM,3 min,13°,10° above WSW,10° above S|2021-12-10 00:01:00.0,Thu Dec 9, 5:01 PM,5 min,18°,10° above W,10° above S|

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 chart. Click the link for a detailed description of the astronomical horizon and sighting alert messages.