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Location: Lancaster, Pennsylvania, United States

The following ISS sightings are possible from Monday Jul 16, 2018 through Thursday Aug 2, 2018

Date Visible Max Height Appears Disappears Share Event
Wed Jul 18, 10:28 PM 6 min 71° 10° above SW 10° above ENE  
Thu Jul 19, 00:06 AM 5 min 19° 10° above WNW 11° above NNE  
Thu Jul 19, 1:45 AM < 1 min 10° 10° above NNW 10° above NNW  
Thu Jul 19, 3:21 AM 2 min 16° 10° above NNW 16° above N  
Thu Jul 19, 4:57 AM 6 min 82° 10° above NW 11° above SE  
Thu Jul 19, 9:36 PM 6 min 34° 10° above SSW 11° above ENE  
Thu Jul 19, 11:13 PM 5 min 28° 11° above W 11° above NNE  
Fri Jul 20, 00:52 AM < 1 min 10° 10° above NNW 10° above NNW  
Fri Jul 20, 2:29 AM < 1 min 12° 10° above NNW 12° above N  
Fri Jul 20, 4:05 AM 6 min 44° 10° above NW 11° above ESE  
Fri Jul 20, 10:20 PM 6 min 46° 10° above WSW 10° above NE  
Fri Jul 20, 11:59 PM 3 min 13° 10° above NW 10° above NNE  
Sat Jul 21, 3:13 AM 5 min 27° 11° above NNW 10° above E  
Sat Jul 21, 4:49 AM 6 min 37° 12° above WNW 10° above SSE  
Sat Jul 21, 9:28 PM 6 min 88° 10° above SW 10° above NE  
Sat Jul 21, 11:06 PM 4 min 17° 10° above WNW 11° above NNE  
Sun Jul 22, 00:47 AM < 1 min 10° 10° above NNE 10° above NNE  
Sun Jul 22, 2:21 AM 5 min 19° 10° above NNW 10° above ENE  
Sun Jul 22, 3:57 AM 6 min 77° 10° above NW 11° above SE  
Sun Jul 22, 10:13 PM 5 min 24° 11° above W 11° above NNE  
Sun Jul 22, 11:54 PM < 1 min 11° 11° above N 10° above N  
Mon Jul 23, 1:29 AM 2 min 14° 10° above NNW 14° above NNE  
Mon Jul 23, 9:21 PM 6 min 38° 10° above WSW 11° above NE  
Mon Jul 23, 11:01 PM 1 min 12° 12° above N 10° above NNE  
Tue Jul 24, 00:39 AM < 1 min 12° 12° above NNE 11° above NNE  
Tue Jul 24, 10:09 PM 2 min 15° 15° above N 10° above NNE  
Tue Jul 24, 11:46 PM < 1 min 11° 11° above N 10° above NNE  
Wed Jul 25, 9:16 PM 2 min 21° 21° above NNW 10° above NNE  
Wed Jul 25, 10:54 PM < 1 min 11° 11° above N 10° above NNE  
Thu Jul 26, 10:01 PM 1 min 12° 12° above N 10° above NNE  
Thu Jul 26, 11:38 PM 1 min 13° 12° above N 12° above NNE  
Fri Jul 27, 9:09 PM 2 min 14° 14° above N 10° above NNE  
Fri Jul 27, 10:46 PM 1 min 11° 11° above N 10° above NNE  
Sat Jul 28, 00:22 AM < 1 min 13° 13° above NNW 13° above NNW  
Sat Jul 28, 9:54 PM 1 min 11° 10° above N 10° above NNE  
Sat Jul 28, 11:31 PM < 1 min 17° 15° above N 17° above N  
Sun Jul 29, 9:02 PM 2 min 11° 11° above NNW 10° above NNE  
Sun Jul 29, 10:39 PM 2 min 14° 12° above N 11° above NE  
Mon Jul 30, 00:14 AM < 1 min 10° 10° above NW 10° above NW  
Mon Jul 30, 9:47 PM 2 min 11° 11° above N 10° above NNE  
Mon Jul 30, 11:23 PM < 1 min 22° 19° above NNW 22° above NNW  
Tue Jul 31, 8:54 PM 2 min 11° 10° above NNW 10° above NNE  
Tue Jul 31, 10:31 PM 2 min 20° 16° above N 18° above NE  
Wed Aug 1, 9:39 PM 3 min 15° 12° above NNW 10° above NE  
Wed Aug 1, 11:15 PM < 1 min 23° 19° above NW 23° above NW  

The following CYGNUS sightings are possible from Monday Jul 16, 2018 through Thursday Aug 2, 2018

Date Visible Max Height Appears Disappears Share Event
Tue Jul 17, 00:51 AM 3 min 24° 24° above NNW 10° above NNE  
Tue Jul 17, 2:28 AM 2 min 13° 10° above NNW 13° above N  
Tue Jul 17, 4:06 AM 3 min 20° 10° above NNW 20° above NNE  
Tue Jul 17, 10:47 PM < 1 min 13° 13° above ENE 11° above ENE  
Wed Jul 18, 00:21 AM 4 min 26° 20° above WNW 11° above NNE  
Wed Jul 18, 2:00 AM 2 min 13° 10° above NNW 13° above N  
Wed Jul 18, 3:38 AM 2 min 19° 10° above NNW 19° above N  
Wed Jul 18, 5:16 AM 7 min 75° 10° above NW 10° above ESE  
Wed Jul 18, 10:13 PM 7 min 49° 10° above SSW 10° above ENE  
Wed Jul 18, 11:51 PM 6 min 27° 11° above W 10° above NE  
Thu Jul 19, 1:32 AM 1 min 13° 11° above NW 13° above NNW  
Thu Jul 19, 3:10 AM 2 min 18° 11° above NNW 18° above N  
Thu Jul 19, 4:48 AM 7 min 67° 10° above NW 10° above ESE  
Thu Jul 19, 9:44 PM 7 min 43° 10° above SSW 10° above ENE  
Thu Jul 19, 11:23 PM 6 min 29° 11° above W 10° above NE  
Fri Jul 20, 1:03 AM 4 min 14° 10° above NW 10° above NNE  
Fri Jul 20, 2:42 AM 5 min 17° 11° above NNW 11° above NE  
Fri Jul 20, 4:19 AM 7 min 60° 10° above NW 10° above ESE  
Fri Jul 20, 9:16 PM 6 min 38° 10° above SSW 11° above ENE  
Fri Jul 20, 10:55 PM 6 min 32° 11° above W 11° above NE  
Sat Jul 21, 00:35 AM 4 min 14° 10° above NW 10° above NNE  
Sat Jul 21, 2:14 AM 5 min 17° 10° above NNW 10° above NE  
Sat Jul 21, 3:51 AM 7 min 54° 10° above NW 11° above ESE  
Sat Jul 21, 8:52 PM 2 min 29° 29° above ESE 11° above ENE  
Sat Jul 21, 10:26 PM 6 min 34° 11° above W 11° above NE  
Sun Jul 22, 00:06 AM 4 min 14° 10° above NW 10° above NNE  
Sun Jul 22, 1:46 AM 5 min 16° 10° above NNW 10° above NE  
Sun Jul 22, 3:23 AM 7 min 49° 10° above NW 11° above ESE  
Sun Jul 22, 5:02 AM 6 min 21° 10° above W 10° above S  
Sun Jul 22, 9:58 PM 6 min 37° 11° above W 10° above NE  
Sun Jul 22, 11:41 PM 2 min 14° 14° above N 10° above NNE  
Mon Jul 23, 1:17 AM 4 min 16° 10° above NNW 11° above NE  
Mon Jul 23, 2:55 AM 7 min 45° 10° above NW 10° above ESE  
Mon Jul 23, 4:33 AM 6 min 24° 10° above WNW 10° above S  
Mon Jul 23, 9:30 PM 6 min 40° 11° above W 10° above NE  
Mon Jul 23, 11:12 PM 2 min 15° 15° above N 10° above NNE  
Tue Jul 24, 00:51 AM 3 min 15° 15° above N 10° above NE  
Tue Jul 24, 2:27 AM 1 min 17° 10° above NW 17° above NW  
Tue Jul 24, 9:02 PM 6 min 44° 12° above WSW 11° above NE  
Tue Jul 24, 10:44 PM 2 min 15° 15° above N 11° above NNE  
Wed Jul 25, 00:22 AM 2 min 15° 14° above N 11° above NE  
Wed Jul 25, 1:58 AM < 1 min 14° 10° above NW 14° above NW  
Wed Jul 25, 10:15 PM 2 min 16° 16° above NNW 10° above NNE  
Wed Jul 25, 11:54 PM 3 min 14° 14° above N 10° above NE  
Thu Jul 26, 1:30 AM < 1 min 14° 10° above NW 14° above NW  
Thu Jul 26, 9:47 PM 2 min 17° 17° above NNW 10° above NNE  
Thu Jul 26, 11:26 PM 2 min 14° 14° above N 10° above NE  
Fri Jul 27, 1:02 AM 1 min 16° 10° above NW 16° above NNW  
Fri Jul 27, 9:19 PM 2 min 17° 17° above NNW 11° above NNE  
Fri Jul 27, 10:57 PM 3 min 14° 13° above N 10° above NE  
Sat Jul 28, 00:34 AM 1 min 18° 11° above NW 18° above NNW  
Sat Jul 28, 8:50 PM 3 min 18° 18° above NNW 10° above NNE  
Sat Jul 28, 10:29 PM 3 min 14° 13° above N 10° above NE  
Sun Jul 29, 00:06 AM 1 min 22° 15° above NNW 22° above N  
Sun Jul 29, 9:52 PM 1 min 11° 10° above N 10° above NNE  
Sun Jul 29, 11:28 PM < 1 min 18° 15° above N 18° above N  
2018-07-19 02:28:00.0,Wed Jul 18, 10:28 PM,6 min,71°,10° above SW,10° above ENE|2018-07-19 04:06:00.0,Thu Jul 19, 00:06 AM,5 min,19°,10° above WNW,11° above NNE|2018-07-19 05:45:00.0,Thu Jul 19, 1:45 AM,< 1 min,10°,10° above NNW,10° above NNW|2018-07-19 07:21:00.0,Thu Jul 19, 3:21 AM,2 min,16°,10° above NNW,16° above N|2018-07-19 08:57:00.0,Thu Jul 19, 4:57 AM,6 min,82°,10° above NW,11° above SE|2018-07-20 01:36:00.0,Thu Jul 19, 9:36 PM,6 min,34°,10° above SSW,11° above ENE|2018-07-20 03:13:00.0,Thu Jul 19, 11:13 PM,5 min,28°,11° above W,11° above NNE|2018-07-20 04:52:00.0,Fri Jul 20, 00:52 AM,< 1 min,10°,10° above NNW,10° above NNW|2018-07-20 06:29:00.0,Fri Jul 20, 2:29 AM,< 1 min,12°,10° above NNW,12° above N|2018-07-20 08:05:00.0,Fri Jul 20, 4:05 AM,6 min,44°,10° above NW,11° above ESE|2018-07-21 02:20:00.0,Fri Jul 20, 10:20 PM,6 min,46°,10° above WSW,10° above NE|2018-07-21 03:59:00.0,Fri Jul 20, 11:59 PM,3 min,13°,10° above NW,10° above NNE|2018-07-21 07:13:00.0,Sat Jul 21, 3:13 AM,5 min,27°,11° above NNW,10° above E|2018-07-21 08:49:00.0,Sat Jul 21, 4:49 AM,6 min,37°,12° above WNW,10° above SSE|2018-07-22 01:28:00.0,Sat Jul 21, 9:28 PM,6 min,88°,10° above SW,10° above NE|2018-07-22 03:06:00.0,Sat Jul 21, 11:06 PM,4 min,17°,10° above WNW,11° above NNE|2018-07-22 04:47:00.0,Sun Jul 22, 00:47 AM,< 1 min,10°,10° above NNE,10° above NNE|2018-07-22 06:21:00.0,Sun Jul 22, 2:21 AM,5 min,19°,10° above NNW,10° above ENE|2018-07-22 07:57:00.0,Sun Jul 22, 3:57 AM,6 min,77°,10° above NW,11° above SE|2018-07-23 02:13:00.0,Sun Jul 22, 10:13 PM,5 min,24°,11° above W,11° above NNE|2018-07-23 03:54:00.0,Sun Jul 22, 11:54 PM,< 1 min,11°,11° above N,10° above N|2018-07-23 05:29:00.0,Mon Jul 23, 1:29 AM,2 min,14°,10° above NNW,14° above NNE|2018-07-24 01:21:00.0,Mon Jul 23, 9:21 PM,6 min,38°,10° above WSW,11° above NE|2018-07-24 03:01:00.0,Mon Jul 23, 11:01 PM,1 min,12°,12° above N,10° above NNE|2018-07-24 04:39:00.0,Tue Jul 24, 00:39 AM,< 1 min,12°,12° above NNE,11° above NNE|2018-07-25 02:09:00.0,Tue Jul 24, 10:09 PM,2 min,15°,15° above N,10° above NNE|2018-07-25 03:46:00.0,Tue Jul 24, 11:46 PM,< 1 min,11°,11° above N,10° above NNE|2018-07-26 01:16:00.0,Wed Jul 25, 9:16 PM,2 min,21°,21° above NNW,10° above NNE|2018-07-26 02:54:00.0,Wed Jul 25, 10:54 PM,< 1 min,11°,11° above N,10° above NNE|2018-07-27 02:01:00.0,Thu Jul 26, 10:01 PM,1 min,12°,12° above N,10° above NNE|2018-07-27 03:38:00.0,Thu Jul 26, 11:38 PM,1 min,13°,12° above N,12° above NNE|2018-07-28 01:09:00.0,Fri Jul 27, 9:09 PM,2 min,14°,14° above N,10° above NNE|2018-07-28 02:46:00.0,Fri Jul 27, 10:46 PM,1 min,11°,11° above N,10° above NNE|2018-07-28 04:22:00.0,Sat Jul 28, 00:22 AM,< 1 min,13°,13° above NNW,13° above NNW|2018-07-29 01:54:00.0,Sat Jul 28, 9:54 PM,1 min,11°,10° above N,10° above NNE|2018-07-29 03:31:00.0,Sat Jul 28, 11:31 PM,< 1 min,17°,15° above N,17° above N|2018-07-30 01:02:00.0,Sun Jul 29, 9:02 PM,2 min,11°,11° above NNW,10° above NNE|2018-07-30 02:39:00.0,Sun Jul 29, 10:39 PM,2 min,14°,12° above N,11° above NE|2018-07-30 04:14:00.0,Mon Jul 30, 00:14 AM,< 1 min,10°,10° above NW,10° above NW|2018-07-31 01:47:00.0,Mon Jul 30, 9:47 PM,2 min,11°,11° above N,10° above NNE|2018-07-31 03:23:00.0,Mon Jul 30, 11:23 PM,< 1 min,22°,19° above NNW,22° above NNW|2018-08-01 00:54:00.0,Tue Jul 31, 8:54 PM,2 min,11°,10° above NNW,10° above NNE|2018-08-01 02:31:00.0,Tue Jul 31, 10:31 PM,2 min,20°,16° above N,18° above NE|2018-08-02 01:39:00.0,Wed Aug 1, 9:39 PM,3 min,15°,12° above NNW,10° above NE|2018-08-02 03:15:00.0,Wed Aug 1, 11:15 PM,< 1 min,23°,19° above NW,23° above NW|

Last Updated:

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