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Location: Eureka, California, United States

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, 5:28 PM 4 min 14° 10° above NNW 10° above NE  
Wed Dec 1, 7:04 PM 1 min 15° 10° above NW 15° above NNW  
Thu Dec 2, 6:17 PM 2 min 22° 10° above NNW 22° above NNE  
Fri Dec 3, 5:30 PM 5 min 18° 10° above NNW 11° above ENE  
Fri Dec 3, 7:07 PM 1 min 21° 10° above NW 21° above NW  
Sat Dec 4, 6:19 PM 4 min 44° 10° above NW 43° above NE  
Sun Dec 5, 5:32 PM 6 min 30° 10° above NW 12° above E  
Sun Dec 5, 7:09 PM 2 min 31° 10° above WNW 31° above W  
Mon Dec 6, 6:22 PM 5 min 67° 10° above WNW 26° above SE  
Tue Dec 7, 5:35 PM 7 min 72° 10° above NW 10° above ESE  
Tue Dec 7, 7:13 PM 3 min 13° 10° above W 10° above SSW  
Wed Dec 8, 6:25 PM 5 min 22° 10° above W 10° above S  
Thu Dec 9, 5:37 PM 6 min 37° 10° above WNW 10° above SSE  
Sat Dec 11, 5:41 PM 3 min 13° 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, 5:48 PM 4 min 15° 10° above NW 10° above NNE  
Tue Nov 30, 6:51 PM 1 min 16° 10° above NNW 16° above NNW  
Wed Dec 1, 6:17 PM 3 min 19° 10° above NNW 19° above NNE  
Thu Dec 2, 5:43 PM 4 min 18° 10° above NNW 13° above NE  
Thu Dec 2, 7:20 PM 1 min 15° 10° above NW 15° above NW  
Fri Dec 3, 6:46 PM 3 min 35° 10° above NW 35° above NNW  
Sat Dec 4, 6:11 PM 4 min 37° 10° above NW 33° above ENE  
Sat Dec 4, 7:49 PM < 1 min 11° 10° above WNW 11° above WNW  
Sun Dec 5, 5:37 PM 6 min 32° 10° above NW 13° above E  
Sun Dec 5, 7:15 PM 2 min 30° 10° above WNW 30° above W  
Mon Dec 6, 6:40 PM 5 min 52° 10° above WNW 38° above S  
Tue Dec 7, 6:06 PM 7 min 68° 10° above WNW 9° above SE  
Wed Dec 8, 5:31 PM 7 min 86° 10° above NW 10° above SE  
Wed Dec 8, 7:11 PM 2 min 11° 10° above WSW 10° above SW  
Thu Dec 9, 6:36 PM 4 min 14° 10° above W 10° above SSW  
Fri Dec 10, 6:01 PM 5 min 17° 10° above W 10° above S  
Sat Dec 11, 5:26 PM 6 min 22° 10° above W 10° above S  
2021-12-02 01:28:00.0,Wed Dec 1, 5:28 PM,4 min,14°,10° above NNW,10° above NE|2021-12-02 03:04:00.0,Wed Dec 1, 7:04 PM,1 min,15°,10° above NW,15° above NNW|2021-12-03 02:17:00.0,Thu Dec 2, 6:17 PM,2 min,22°,10° above NNW,22° above NNE|2021-12-04 01:30:00.0,Fri Dec 3, 5:30 PM,5 min,18°,10° above NNW,11° above ENE|2021-12-04 03:07:00.0,Fri Dec 3, 7:07 PM,1 min,21°,10° above NW,21° above NW|2021-12-05 02:19:00.0,Sat Dec 4, 6:19 PM,4 min,44°,10° above NW,43° above NE|2021-12-06 01:32:00.0,Sun Dec 5, 5:32 PM,6 min,30°,10° above NW,12° above E|2021-12-06 03:09:00.0,Sun Dec 5, 7:09 PM,2 min,31°,10° above WNW,31° above W|2021-12-07 02:22:00.0,Mon Dec 6, 6:22 PM,5 min,67°,10° above WNW,26° above SE|2021-12-08 01:35:00.0,Tue Dec 7, 5:35 PM,7 min,72°,10° above NW,10° above ESE|2021-12-08 03:13:00.0,Tue Dec 7, 7:13 PM,3 min,13°,10° above W,10° above SSW|2021-12-09 02:25:00.0,Wed Dec 8, 6:25 PM,5 min,22°,10° above W,10° above S|2021-12-10 01:37:00.0,Thu Dec 9, 5:37 PM,6 min,37°,10° above WNW,10° above SSE|2021-12-12 01:41:00.0,Sat Dec 11, 5:41 PM,3 min,13°,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.