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Location: Gloucester, England, United Kingdom

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, 5:42 PM 5 min 81° 10° above W 31° above ESE  
Wed Dec 1, 7:19 PM 1 min 17° 10° above W 17° above W  
Thu Dec 2, 4:55 PM 7 min 87° 10° above W 10° above E  
Thu Dec 2, 6:32 PM 3 min 44° 10° above W 44° above SSW  
Fri Dec 3, 5:44 PM 5 min 57° 10° above W 22° above SE  
Fri Dec 3, 7:22 PM 1 min 14° 10° above W 14° above WSW  
Sat Dec 4, 4:57 PM 7 min 70° 10° above W 10° above ESE  
Sat Dec 4, 6:34 PM 4 min 24° 10° above W 22° above SSW  
Sun Dec 5, 5:47 PM 6 min 32° 10° above W 10° above SE  
Mon Dec 6, 5:00 PM 6 min 43° 10° above W 10° above SE  
Mon Dec 6, 6:38 PM 3 min 12° 10° above WSW 10° above SSW  
Tue Dec 7, 5:50 PM 5 min 17° 10° above W 10° above S  
Wed Dec 8, 5:02 PM 6 min 23° 10° above W 10° above SSE  
Fri Dec 10, 5:06 PM 2 min 12° 10° above WSW 10° above SSW  

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, 5:58 PM 5 min 88° 10° above W 46° above E  
Mon Nov 29, 7:36 PM 1 min 15° 10° above W 15° above W  
Tue Nov 30, 5:24 PM 6 min 89° 10° above W 19° above E  
Tue Nov 30, 7:01 PM 2 min 34° 10° above W 34° above W  
Wed Dec 1, 4:49 PM 7 min 88° 10° above W 10° above E  
Wed Dec 1, 6:27 PM 4 min 62° 10° above W 62° above S  
Thu Dec 2, 5:53 PM 5 min 69° 10° above W 32° above ESE  
Thu Dec 2, 7:31 PM 1 min 16° 10° above W 16° above WSW  
Fri Dec 3, 5:18 PM 7 min 74° 10° above W 13° above ESE  
Fri Dec 3, 6:56 PM 3 min 27° 10° above W 27° above SW  
Sat Dec 4, 4:44 PM 7 min 79° 10° above W 10° above ESE  
Sat Dec 4, 6:22 PM 5 min 32° 10° above W 25° above S  
Sun Dec 5, 5:47 PM 6 min 37° 10° above W 12° above SE  
Mon Dec 6, 5:13 PM 7 min 42° 10° above W 10° above SE  
Mon Dec 6, 6:52 PM 3 min 12° 10° above WSW 10° above SSW  
Tue Dec 7, 4:38 PM 7 min 48° 10° above W 10° above SE  
Tue Dec 7, 6:17 PM 4 min 14° 10° above WSW 10° above S  
Wed Dec 8, 5:42 PM 5 min 16° 10° above W 10° above S  
Thu Dec 9, 5:08 PM 5 min 19° 10° above W 10° above S  
2021-12-01 17:42:00.0,Wed Dec 1, 5:42 PM,5 min,81°,10° above W,31° above ESE|2021-12-01 19:19:00.0,Wed Dec 1, 7:19 PM,1 min,17°,10° above W,17° above W|2021-12-02 16:55:00.0,Thu Dec 2, 4:55 PM,7 min,87°,10° above W,10° above E|2021-12-02 18:32:00.0,Thu Dec 2, 6:32 PM,3 min,44°,10° above W,44° above SSW|2021-12-03 17:44:00.0,Fri Dec 3, 5:44 PM,5 min,57°,10° above W,22° above SE|2021-12-03 19:22:00.0,Fri Dec 3, 7:22 PM,1 min,14°,10° above W,14° above WSW|2021-12-04 16:57:00.0,Sat Dec 4, 4:57 PM,7 min,70°,10° above W,10° above ESE|2021-12-04 18:34:00.0,Sat Dec 4, 6:34 PM,4 min,24°,10° above W,22° above SSW|2021-12-05 17:47:00.0,Sun Dec 5, 5:47 PM,6 min,32°,10° above W,10° above SE|2021-12-06 17:00:00.0,Mon Dec 6, 5:00 PM,6 min,43°,10° above W,10° above SE|2021-12-06 18:38:00.0,Mon Dec 6, 6:38 PM,3 min,12°,10° above WSW,10° above SSW|2021-12-07 17:50:00.0,Tue Dec 7, 5:50 PM,5 min,17°,10° above W,10° above S|2021-12-08 17:02:00.0,Wed Dec 8, 5:02 PM,6 min,23°,10° above W,10° above SSE|2021-12-10 17:06:00.0,Fri Dec 10, 5:06 PM,2 min,12°,10° above WSW,10° above SSW|

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.