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Location: Ulm, Germany

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, 10:21 PM 6 min 78° 10° above WNW 15° above ESE  
Mon Jul 26, 11:58 PM 2 min 22° 10° above W 22° above WSW  
Tue Jul 27, 11:10 PM 4 min 37° 10° above WNW 32° above S  
Wed Jul 28, 10:23 PM 6 min 54° 10° above WNW 18° above SE  
Thu Jul 29, 11:13 PM 2 min 17° 10° above W 16° above SW  
Fri Jul 30, 10:25 PM 5 min 25° 10° above W 16° above S  
Sat Jul 31, 9:38 PM 6 min 36° 10° above WNW 10° above SE  
Sun Aug 1, 10:29 PM 1 min 11° 10° above WSW 10° above SW  
Mon Aug 2, 9:41 PM 4 min 16° 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, 9:53 PM 6 min 72° 10° above WNW 10° above ESE  
Tue Jul 27, 11:29 PM 2 min 24° 10° above W 24° above SW  
Wed Jul 28, 10:30 PM 4 min 45° 10° above WNW 24° above SSE  
2021-07-26 20:21:00.0,Mon Jul 26, 10:21 PM,6 min,78°,10° above WNW,15° above ESE|2021-07-26 21:58:00.0,Mon Jul 26, 11:58 PM,2 min,22°,10° above W,22° above WSW|2021-07-27 21:10:00.0,Tue Jul 27, 11:10 PM,4 min,37°,10° above WNW,32° above S|2021-07-28 20:23:00.0,Wed Jul 28, 10:23 PM,6 min,54°,10° above WNW,18° above SE|2021-07-29 21:13:00.0,Thu Jul 29, 11:13 PM,2 min,17°,10° above W,16° above SW|2021-07-30 20:25:00.0,Fri Jul 30, 10:25 PM,5 min,25°,10° above W,16° above S|2021-07-31 19:38:00.0,Sat Jul 31, 9:38 PM,6 min,36°,10° above WNW,10° above SE|2021-08-01 20:29:00.0,Sun Aug 1, 10:29 PM,1 min,11°,10° above WSW,10° above SW|2021-08-02 19:41:00.0,Mon Aug 2, 9:41 PM,4 min,16°,10° above W,10° above S|

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