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Location: Derry, New Hampshire, United States

The following ISS sightings are possible from Tuesday Feb 12, 2019 through Friday Mar 1, 2019

Date Visible Max Height Appears Disappears Share Event
Wed Feb 20, 6:08 AM 1 min 13° 10° above SSE 13° above SE  
Fri Feb 22, 6:00 AM 3 min 31° 10° above SSW 31° above SE  
Sat Feb 23, 5:09 AM 2 min 17° 10° above S 17° above SE  
Sun Feb 24, 5:53 AM 5 min 78° 10° above SW 23° above ENE  
Mon Feb 25, 5:03 AM 3 min 41° 19° above SSW 30° above E  
Tue Feb 26, 4:14 AM 1 min 22° 22° above SE 17° above E  
Tue Feb 26, 5:47 AM 6 min 47° 10° above WSW 10° above NE  
Wed Feb 27, 4:58 AM 3 min 80° 45° above WSW 16° above NE  
Thu Feb 28, 4:09 AM < 1 min 32° 32° above ENE 21° above ENE  
Thu Feb 28, 5:42 AM 5 min 27° 11° above WNW 11° above NE  

The following CYGNUS sightings are possible from Tuesday Feb 12, 2019 through Friday Mar 1, 2019

Date Visible Max Height Appears Disappears Share Event
Fri Feb 22, 5:40 AM 2 min 17° 11° above S 17° above SE  
Sat Feb 23, 5:50 AM 3 min 43° 11° above SW 41° above ESE  
Sun Feb 24, 4:30 AM < 1 min 10° 10° above SE 10° above SE  
Sun Feb 24, 6:01 AM 5 min 71° 10° above WSW 11° above NE  
2019-02-20 11:08:00.0,Wed Feb 20, 6:08 AM,1 min,13°,10° above SSE,13° above SE|2019-02-22 11:00:00.0,Fri Feb 22, 6:00 AM,3 min,31°,10° above SSW,31° above SE|2019-02-23 10:09:00.0,Sat Feb 23, 5:09 AM,2 min,17°,10° above S,17° above SE|2019-02-24 10:53:00.0,Sun Feb 24, 5:53 AM,5 min,78°,10° above SW,23° above ENE|2019-02-25 10:03:00.0,Mon Feb 25, 5:03 AM,3 min,41°,19° above SSW,30° above E|2019-02-26 09:14:00.0,Tue Feb 26, 4:14 AM,1 min,22°,22° above SE,17° above E|2019-02-26 10:47:00.0,Tue Feb 26, 5:47 AM,6 min,47°,10° above WSW,10° above NE|2019-02-27 09:58:00.0,Wed Feb 27, 4:58 AM,3 min,80°,45° above WSW,16° above NE|2019-02-28 09:09:00.0,Thu Feb 28, 4:09 AM,< 1 min,32°,32° above ENE,21° above ENE|2019-02-28 10:42:00.0,Thu Feb 28, 5:42 AM,5 min,27°,11° above WNW,11° above NE|

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