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Location: Calgary, Alberta, Canada

The following ISS sightings are possible from Wednesday May 18, 2022 through Thursday Jun 2, 2022

Date Visible Max Height Appears Disappears Share Event
Wed May 18, 10:16 PM 7 min 67° 10° above WSW 10° above E  
Wed May 18, 11:52 PM 6 min 79° 10° above W 12° above E  
Thu May 19, 1:29 AM 3 min 42° 10° above W 42° above WSW  
Thu May 19, 11:04 PM 7 min 80° 10° above W 10° above E  
Fri May 20, 12:41 AM 4 min 74° 10° above W 49° above SE  
Fri May 20, 10:16 PM 7 min 86° 10° above W 10° above E  
Fri May 20, 11:53 PM 5 min 88° 10° above W 22° above ESE  
Sat May 21, 1:30 AM 1 min 21° 10° above W 21° above WSW  
Sat May 21, 11:05 PM 7 min 83° 10° above W 10° above E  
Sun May 22, 12:42 AM 3 min 42° 10° above W 42° above SW  
Sun May 22, 10:17 PM 7 min 79° 10° above W 10° above E  
Sun May 22, 11:54 PM 5 min 58° 10° above W 33° above SE  
Mon May 23, 11:06 PM 6 min 75° 10° above W 14° above ESE  
Tue May 24, 12:43 AM 2 min 21° 10° above W 21° above SW  
Tue May 24, 10:18 PM 7 min 89° 10° above W 10° above ESE  
Tue May 24, 11:55 PM 4 min 32° 10° above W 28° above S  
Wed May 25, 11:07 PM 5 min 44° 10° above W 17° above SE  
Thu May 26, 11:56 PM 3 min 16° 10° above W 16° above SSW  
Fri May 27, 11:07 PM 5 min 23° 10° above W 14° above SSE  
Sun May 29, 11:09 PM 2 min 11° 10° above WSW 10° above SSW  
2022-05-19 04:16:00.0,Wed May 18, 10:16 PM,7 min,67°,10° above WSW,10° above E|2022-05-19 05:52:00.0,Wed May 18, 11:52 PM,6 min,79°,10° above W,12° above E|2022-05-19 07:29:00.0,Thu May 19, 1:29 AM,3 min,42°,10° above W,42° above WSW|2022-05-20 05:04:00.0,Thu May 19, 11:04 PM,7 min,80°,10° above W,10° above E|2022-05-20 06:41:00.0,Fri May 20, 12:41 AM,4 min,74°,10° above W,49° above SE|2022-05-21 04:16:00.0,Fri May 20, 10:16 PM,7 min,86°,10° above W,10° above E|2022-05-21 05:53:00.0,Fri May 20, 11:53 PM,5 min,88°,10° above W,22° above ESE|2022-05-21 07:30:00.0,Sat May 21, 1:30 AM,1 min,21°,10° above W,21° above WSW|2022-05-22 05:05:00.0,Sat May 21, 11:05 PM,7 min,83°,10° above W,10° above E|2022-05-22 06:42:00.0,Sun May 22, 12:42 AM,3 min,42°,10° above W,42° above SW|2022-05-23 04:17:00.0,Sun May 22, 10:17 PM,7 min,79°,10° above W,10° above E|2022-05-23 05:54:00.0,Sun May 22, 11:54 PM,5 min,58°,10° above W,33° above SE|2022-05-24 05:06:00.0,Mon May 23, 11:06 PM,6 min,75°,10° above W,14° above ESE|2022-05-24 06:43:00.0,Tue May 24, 12:43 AM,2 min,21°,10° above W,21° above SW|2022-05-25 04:18:00.0,Tue May 24, 10:18 PM,7 min,89°,10° above W,10° above ESE|2022-05-25 05:55:00.0,Tue May 24, 11:55 PM,4 min,32°,10° above W,28° above S|2022-05-26 05:07:00.0,Wed May 25, 11:07 PM,5 min,44°,10° above W,17° above SE|2022-05-27 05:56:00.0,Thu May 26, 11:56 PM,3 min,16°,10° above W,16° above SSW|2022-05-28 05:07:00.0,Fri May 27, 11:07 PM,5 min,23°,10° above W,14° above SSE|2022-05-30 05:09:00.0,Sun May 29, 11:09 PM,2 min,11°,10° above WSW,10° above SSW|

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

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