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Location: Castle Clinton National Monument, New York, 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, 5:23 PM 3 min 14° 10° above NNW 11° above NE  
Thu Dec 2, 6:12 PM 2 min 22° 10° above NW 22° above N  
Fri Dec 3, 5:25 PM 4 min 20° 10° above NNW 15° above NE  
Fri Dec 3, 7:01 PM 1 min 14° 10° above NW 14° above NW  
Sat Dec 4, 6:14 PM 3 min 46° 10° above NW 46° above N  
Sun Dec 5, 5:27 PM 5 min 35° 10° above NW 18° above E  
Sun Dec 5, 7:04 PM 1 min 18° 10° above WNW 18° above W  
Mon Dec 6, 6:16 PM 4 min 51° 10° above WNW 36° above S  
Tue Dec 7, 5:29 PM 7 min 89° 10° above NW 10° above SE  
Wed Dec 8, 6:20 PM 5 min 17° 10° above W 10° above S  
Thu Dec 9, 5:32 PM 6 min 28° 10° above WNW 10° above SSE  

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, 5:41 PM 3 min 14° 10° above NNW 13° above NNE  
Tue Nov 30, 5:06 PM 4 min 14° 10° above NW 10° above NE  
Tue Nov 30, 6:44 PM 1 min 14° 10° above NW 14° above NNW  
Wed Dec 1, 6:10 PM 2 min 20° 10° above NNW 20° above N  
Thu Dec 2, 5:36 PM 4 min 19° 10° above NNW 17° above NE  
Thu Dec 2, 7:13 PM < 1 min 12° 10° above NW 12° above NW  
Fri Dec 3, 5:01 PM 5 min 17° 10° above NNW 10° above ENE  
Fri Dec 3, 6:39 PM 2 min 25° 10° above NW 25° above NW  
Sat Dec 4, 6:04 PM 4 min 43° 10° above NW 43° above NNE  
Sun Dec 5, 5:30 PM 5 min 36° 10° above NW 20° above E  
Sun Dec 5, 7:08 PM 1 min 21° 10° above WNW 21° above W  
Mon Dec 6, 6:33 PM 4 min 42° 10° above WNW 39° above SSW  
Tue Dec 7, 5:59 PM 7 min 54° 10° above WNW 14° above SE  
Wed Dec 8, 5:24 PM 7 min 70° 10° above WNW 10° above SE  
Thu Dec 9, 6:29 PM 2 min 11° 10° above WSW 10° above SW  
Fri Dec 10, 5:54 PM 4 min 14° 10° above W 10° above SSW  
Sat Dec 11, 5:19 PM 5 min 18° 10° above W 10° above S  
2021-12-01 22:23:00.0,Wed Dec 1, 5:23 PM,3 min,14°,10° above NNW,11° above NE|2021-12-02 23:12:00.0,Thu Dec 2, 6:12 PM,2 min,22°,10° above NW,22° above N|2021-12-03 22:25:00.0,Fri Dec 3, 5:25 PM,4 min,20°,10° above NNW,15° above NE|2021-12-04 00:01:00.0,Fri Dec 3, 7:01 PM,1 min,14°,10° above NW,14° above NW|2021-12-04 23:14:00.0,Sat Dec 4, 6:14 PM,3 min,46°,10° above NW,46° above N|2021-12-05 22:27:00.0,Sun Dec 5, 5:27 PM,5 min,35°,10° above NW,18° above E|2021-12-06 00:04:00.0,Sun Dec 5, 7:04 PM,1 min,18°,10° above WNW,18° above W|2021-12-06 23:16:00.0,Mon Dec 6, 6:16 PM,4 min,51°,10° above WNW,36° above S|2021-12-07 22:29:00.0,Tue Dec 7, 5:29 PM,7 min,89°,10° above NW,10° above SE|2021-12-08 23:20:00.0,Wed Dec 8, 6:20 PM,5 min,17°,10° above W,10° above S|2021-12-09 22:32:00.0,Thu Dec 9, 5:32 PM,6 min,28°,10° above WNW,10° above SSE|

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.