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Location: Huntsville, Alabama, United States

The following ISS sightings are possible from Monday Jul 26, 2021 through Tuesday Aug 10, 2021

Date Visible Max Height Appears Disappears Share Event
Mon Jul 26, 11:11 PM 1 min 13° 10° above NNW 13° above NNW  
Tue Jul 27, 10:24 PM 2 min 19° 10° above NNW 19° above N  
Wed Jul 28, 9:37 PM 3 min 15° 10° above N 13° above NE  
Wed Jul 28, 11:13 PM < 1 min 12° 10° above NW 12° above NW  
Thu Jul 29, 8:51 PM 1 min 10° 10° above NNE 10° above NE  
Thu Jul 29, 10:26 PM 2 min 28° 10° above NW 28° above NNW  
Fri Jul 30, 9:38 PM 3 min 35° 10° above NNW 34° above NE  
Sat Jul 31, 8:51 PM 5 min 22° 10° above NNW 14° above ENE  
Sat Jul 31, 10:28 PM 1 min 19° 10° above WNW 19° above WNW  
Sun Aug 1, 9:40 PM 3 min 65° 10° above NW 65° above WSW  
Mon Aug 2, 8:53 PM 5 min 64° 10° above NW 25° above ESE  
Tue Aug 3, 9:43 PM 3 min 18° 10° above W 18° above SW  
Wed Aug 4, 8:55 PM 5 min 33° 10° above WNW 17° above S  
Sat Aug 7, 8:11 PM 5 min 18° 10° above W 10° above S  

The following Nauka sightings are possible from Monday Jul 26, 2021 through Tuesday Aug 10, 2021

Date Visible Max Height Appears Disappears Share Event
Tue Jul 27, 10:39 PM 1 min 15° 10° above NNW 15° above NNW  
Wed Jul 28, 9:42 PM 2 min 13° 10° above N 13° above NE  
2021-07-27 04:11:00.0,Mon Jul 26, 11:11 PM,1 min,13°,10° above NNW,13° above NNW|2021-07-28 03:24:00.0,Tue Jul 27, 10:24 PM,2 min,19°,10° above NNW,19° above N|2021-07-29 02:37:00.0,Wed Jul 28, 9:37 PM,3 min,15°,10° above N,13° above NE|2021-07-29 04:13:00.0,Wed Jul 28, 11:13 PM,< 1 min,12°,10° above NW,12° above NW|2021-07-30 01:51:00.0,Thu Jul 29, 8:51 PM,1 min,10°,10° above NNE,10° above NE|2021-07-30 03:26:00.0,Thu Jul 29, 10:26 PM,2 min,28°,10° above NW,28° above NNW|2021-07-31 02:38:00.0,Fri Jul 30, 9:38 PM,3 min,35°,10° above NNW,34° above NE|2021-08-01 01:51:00.0,Sat Jul 31, 8:51 PM,5 min,22°,10° above NNW,14° above ENE|2021-08-01 03:28:00.0,Sat Jul 31, 10:28 PM,1 min,19°,10° above WNW,19° above WNW|2021-08-02 02:40:00.0,Sun Aug 1, 9:40 PM,3 min,65°,10° above NW,65° above WSW|2021-08-03 01:53:00.0,Mon Aug 2, 8:53 PM,5 min,64°,10° above NW,25° above ESE|2021-08-04 02:43:00.0,Tue Aug 3, 9:43 PM,3 min,18°,10° above W,18° above SW|2021-08-05 01:55:00.0,Wed Aug 4, 8:55 PM,5 min,33°,10° above WNW,17° above S|2021-08-08 01:11:00.0,Sat Aug 7, 8:11 PM,5 min,18°,10° above W,10° above S|

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.