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Location: Phoenix, Arizona, United States

The following ISS sightings are possible from Monday Feb 18, 2019 through Tuesday Mar 5, 2019

Date Visible Max Height Appears Disappears Share Event
Tue Feb 19, 6:27 AM < 1 min 11° 10° above SSE 11° above SE  
Thu Feb 21, 6:19 AM 3 min 35° 10° above SSW 34° above ESE  
Fri Feb 22, 5:29 AM 2 min 17° 10° above S 17° above ESE  
Sat Feb 23, 6:13 AM 6 min 67° 10° above SW 10° above NE  
Sun Feb 24, 5:24 AM 3 min 52° 52° above SE 13° above ENE  
Mon Feb 25, 6:08 AM 4 min 24° 19° above WNW 11° above NNE  
Tue Feb 26, 5:19 AM 2 min 30° 30° above NNE 12° above NNE  
Wed Feb 27, 6:04 AM 2 min 11° 11° above NW 10° above N  
Thu Feb 28, 5:15 AM < 1 min 12° 12° above N 10° above NNE  

The following CYGNUS sightings are possible from Monday Feb 18, 2019 through Tuesday Mar 5, 2019

Date Visible Max Height Appears Disappears Share Event
Wed Feb 20, 6:19 AM 1 min 14° 11° above SSE 14° above SE  
Thu Feb 21, 6:29 AM 3 min 49° 10° above SSW 34° above E  
Fri Feb 22, 6:40 AM 5 min 43° 10° above WSW 10° above NNE  
Sat Feb 23, 5:20 AM < 1 min 22° 22° above ESE 20° above ESE  
Sun Feb 24, 5:32 AM 2 min 36° 36° above NE 10° above NE  
2019-02-19 13:27:00.0,Tue Feb 19, 6:27 AM,< 1 min,11°,10° above SSE,11° above SE|2019-02-21 13:19:00.0,Thu Feb 21, 6:19 AM,3 min,35°,10° above SSW,34° above ESE|2019-02-22 12:29:00.0,Fri Feb 22, 5:29 AM,2 min,17°,10° above S,17° above ESE|2019-02-23 13:13:00.0,Sat Feb 23, 6:13 AM,6 min,67°,10° above SW,10° above NE|2019-02-24 12:24:00.0,Sun Feb 24, 5:24 AM,3 min,52°,52° above SE,13° above ENE|2019-02-25 13:08:00.0,Mon Feb 25, 6:08 AM,4 min,24°,19° above WNW,11° above NNE|2019-02-26 12:19:00.0,Tue Feb 26, 5:19 AM,2 min,30°,30° above NNE,12° above NNE|2019-02-27 13:04:00.0,Wed Feb 27, 6:04 AM,2 min,11°,11° above NW,10° above N|2019-02-28 12:15:00.0,Thu Feb 28, 5:15 AM,< 1 min,12°,12° above N,10° above NNE|

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

National Aeronautics and Space Administration Page Editor: Bill Keeter NASA Official: Jacob Keaton