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Location: Calgary, Alberta, Canada

The following ISS sightings are possible from Tuesday Feb 19, 2019 through Thursday Mar 7, 2019

Date Visible Max Height Appears Disappears Share Event
Fri Feb 22, 7:08 AM 1 min 15° 11° above S 15° above SSE  
Sun Feb 24, 7:00 AM 3 min 27° 10° above SSW 27° above SE  
Mon Feb 25, 6:10 AM 3 min 18° 10° above S 17° above ESE  
Tue Feb 26, 5:20 AM 2 min 12° 10° above SSE 10° above ESE  
Tue Feb 26, 6:54 AM 4 min 48° 10° above SW 42° above ESE  
Wed Feb 27, 6:04 AM 3 min 33° 14° above SSW 26° above ESE  
Thu Feb 28, 5:15 AM 2 min 23° 22° above SSE 16° above ESE  
Thu Feb 28, 6:48 AM 4 min 75° 10° above WSW 48° above E  
Fri Mar 1, 4:26 AM < 1 min 11° 11° above ESE 10° above ESE  
Fri Mar 1, 5:59 AM 3 min 57° 22° above SW 34° above E  
Sat Mar 2, 5:10 AM 1 min 39° 39° above SE 23° above E  
Sat Mar 2, 6:43 AM 4 min 83° 10° above W 39° above ENE  
Sun Mar 3, 4:21 AM < 1 min 14° 14° above E 12° above E  
Sun Mar 3, 5:54 AM 3 min 84° 28° above WSW 39° above E  
Mon Mar 4, 5:05 AM 1 min 56° 56° above ESE 24° above E  
Mon Mar 4, 6:38 AM 4 min 78° 10° above W 39° above E  
Tue Mar 5, 4:16 AM < 1 min 17° 17° above E 14° above E  
Tue Mar 5, 5:48 AM 3 min 80° 28° above W 39° above ENE  
Wed Mar 6, 4:59 AM 1 min 65° 65° above ENE 25° above E  
Wed Mar 6, 6:32 AM 4 min 87° 10° above W 39° above E  
Thu Mar 7, 4:10 AM < 1 min 16° 16° above E 13° above E  
Thu Mar 7, 5:43 AM 3 min 80° 28° above W 31° above E  

The following CYGNUS sightings are possible from Tuesday Feb 19, 2019 through Thursday Mar 7, 2019

Date Visible Max Height Appears Disappears Share Event
Sat Feb 23, 6:55 AM 2 min 15° 10° above S 15° above SE  
2019-02-22 14:08:00.0,Fri Feb 22, 7:08 AM,1 min,15°,11° above S,15° above SSE|2019-02-24 14:00:00.0,Sun Feb 24, 7:00 AM,3 min,27°,10° above SSW,27° above SE|2019-02-25 13:10:00.0,Mon Feb 25, 6:10 AM,3 min,18°,10° above S,17° above ESE|2019-02-26 12:20:00.0,Tue Feb 26, 5:20 AM,2 min,12°,10° above SSE,10° above ESE|2019-02-26 13:54:00.0,Tue Feb 26, 6:54 AM,4 min,48°,10° above SW,42° above ESE|2019-02-27 13:04:00.0,Wed Feb 27, 6:04 AM,3 min,33°,14° above SSW,26° above ESE|2019-02-28 12:15:00.0,Thu Feb 28, 5:15 AM,2 min,23°,22° above SSE,16° above ESE|2019-02-28 13:48:00.0,Thu Feb 28, 6:48 AM,4 min,75°,10° above WSW,48° above E|2019-03-01 11:26:00.0,Fri Mar 1, 4:26 AM,< 1 min,11°,11° above ESE,10° above ESE|2019-03-01 12:59:00.0,Fri Mar 1, 5:59 AM,3 min,57°,22° above SW,34° above E|2019-03-02 12:10:00.0,Sat Mar 2, 5:10 AM,1 min,39°,39° above SE,23° above E|2019-03-02 13:43:00.0,Sat Mar 2, 6:43 AM,4 min,83°,10° above W,39° above ENE|2019-03-03 11:21:00.0,Sun Mar 3, 4:21 AM,< 1 min,14°,14° above E,12° above E|2019-03-03 12:54:00.0,Sun Mar 3, 5:54 AM,3 min,84°,28° above WSW,39° above E|2019-03-04 12:05:00.0,Mon Mar 4, 5:05 AM,1 min,56°,56° above ESE,24° above E|2019-03-04 13:38:00.0,Mon Mar 4, 6:38 AM,4 min,78°,10° above W,39° above E|2019-03-05 11:16:00.0,Tue Mar 5, 4:16 AM,< 1 min,17°,17° above E,14° above E|2019-03-05 12:48:00.0,Tue Mar 5, 5:48 AM,3 min,80°,28° above W,39° above ENE|2019-03-06 11:59:00.0,Wed Mar 6, 4:59 AM,1 min,65°,65° above ENE,25° above E|2019-03-06 13:32:00.0,Wed Mar 6, 6:32 AM,4 min,87°,10° above W,39° above E|2019-03-07 11:10:00.0,Thu Mar 7, 4:10 AM,< 1 min,16°,16° above E,13° above E|2019-03-07 12:43:00.0,Thu Mar 7, 5:43 AM,3 min,80°,28° above W,31° above E|

What am I looking for in the sky?

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

National Aeronautics and Space Administration Page Editor: Bill Keeter NASA Official: Jacob Keaton