Spot The Station

Sighting Location

Location: Chelmsford, England, United Kingdom

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The following ISS sightings are possible from Wednesday Jan 15, 2020 through Friday Jan 31, 2020

Date	Visible	Max Height	Appears	Disappears
Tue Jan 21, 6:13 PM	< 1 min	11°	10° above SSE	11° above SSE
Wed Jan 22, 7:00 PM	1 min	19°	12° above SW	19° above SSW
Thu Jan 23, 6:12 PM	3 min	24°	11° above SSW	23° above SE
Thu Jan 23, 7:48 PM	< 1 min	12°	10° above WSW	12° above WSW
Fri Jan 24, 5:25 PM	4 min	17°	10° above S	11° above ESE
Fri Jan 24, 7:01 PM	2 min	39°	15° above WSW	39° above SW
Sat Jan 25, 6:14 PM	3 min	45°	17° above SW	37° above ESE
Sun Jan 26, 5:26 PM	5 min	33°	17° above SSW	11° above E
Sun Jan 26, 7:03 PM	1 min	42°	22° above WSW	42° above WSW
Mon Jan 27, 6:16 PM	2 min	72°	33° above WSW	41° above E
Mon Jan 27, 7:52 PM	< 1 min	15°	15° above W	15° above W
Tue Jan 28, 5:29 PM	4 min	59°	32° above SW	12° above E
Tue Jan 28, 7:05 PM	1 min	53°	22° above W	53° above W
Wed Jan 29, 6:18 PM	2 min	87°	33° above W	43° above E
Wed Jan 29, 7:54 PM	< 1 min	15°	15° above W	15° above W

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

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.