Aeromoe's Version of Joe Orman's Naked-Eye 100 List


Number 95: International Space Station


Below is my list of International Space Station sightings. At first, all of my satellite sightings were consolidated on this page, but I later segregated the Iridium Flares and other satellites to their own pages.

For most of the sightings, the Altitude / Azimuth entry is the "maximum altitude" prediction, although I usually watch the ISS pass for as long as possible.

Prediction data courtesy Heavens Above, and Cal Sky.
Magnitude and Altitude / Azimuth shown are data as predicted for my specific location at the time.
Arizona is on MST all year because Daylight Savings Time is not observed.

Please scroll down past the table to see a few photos of the ISS passing over my viewing locations.
DATE TIME SATELLITE SpaceCom SUREITY MAG ALT / AZ NOTES
06 Apr 10 05:00 MST ISS 25544 100% ?? 35° / SW - NE E/B
07 Apr 10 05:24 MST ISS 25544 100% ?? 44° / WSW - NNE E/B
03 Aug 10 04:40 MST ISS 25544 100% -2.9 48° / SSW - ENE NE/B; got a couple 10-second photos
04 Aug 10 03:36 MST ISS 25544 100% -0.6 12° / ESE - E NE/B; Very golden in color - fairly low on horizon
04 Aug 10 05:08 MST ISS 25544 100% -2.5 33° / WSW - ENE NE/B; Very cool to see it twice in 90 minutes
05 Aug 10 04:02 MST ISS 25544 100% -3.2 59° / ESE - NE NE/B; North of Pleaides and Moon
20 Aug 10 04:30 MST ISS 25544 100% -0 12° / N - NNE - E E/B; Quite Low - Nice golden color
24 Aug 10 04:45 MST ISS 25544 100% -3 36° / S - SSE SE/B - Just after Iridium 49 above
25 Aug 10 20:02 MST ISS 25544 100% -3 59° / SSW - NE NE/B - Flew through Cassiopeia
10 Sep 10 20:58 MST ISS 25544 100% -0.2 13° / NW - SE Very short appearance...about 20 seconds.
14 Sep 10 19:36 MST ISS 25544 100% -3.4 68° / NW - SE S/E Bound - nice flyby
16 Sep 10 18:56 MST ISS 25544 100% -2.8 52° / NW - SE S/E Bound - nice twilight flyby
29 Sep 10 05:44 MST ISS 25544 100% -3.5 77° / SW - NE N/E Bound - nice morning pre-twilight flyby
30 Sep 10 04:36 MST ISS 25544 100% -1.1 19° / SW - NE N/E Bound - nice golden color
30 Sep 10 06:12 MST ISS 25544 100% -2.2 24° / SW - NE N/E Bound - just glimpsed it in bright, cloudy sky
01 Oct 10 05:04 MST ISS 25544 100% -3.8 84° / SW - NE N/E Bound - quite bright, got a few photos
02 Oct 10 05:30 MST ISS 25544 100% -2 20° / SW - NE N/E Bound - nice pass in the pre-dawn, got a few photos
18 Oct 10 06:23 MST ISS 25544 100% -2 33° / NW - SE Very nice bright morning twilight sighting amidst the puffy clouds
15 Nov 10 17:44 MST ISS 25544 100% -2.8 33° / NW - SE Very nice bright evening twilight sighting
15 Nov 10 19:19 MST ISS 25544 100% -0.3 13° / SW - SSW Nice low, distant sighting - two consecutive passes this evening
16 Nov 10 18:08 MST ISS 25544 100% -2.7 50° / WNW - SSE Very nice late twilight evening pass
29 Nov 10 06:14 MST ISS 25544 100% -1.5 14° / NW - N Nice low, distant sighting
11 Dec 10 06:40 MST ISS 25544 100% -1 15° / N - N/E S/E Bound
12 Dec 10 07:06 MST ISS 25544 100% -2.8 46° / N/W - S/E S/E Bound
13 Dec 10 05:57 MST ISS 25544 100% -1.1 15° / N - E/NE S/E Bound
14 Dec 10 06:21 MST ISS 25544 100% -3.0 52° / WNW - ESE S/E Bound
15 Dec 10 05:15 MST ISS 25544 100% -0.4 13° / ENE - E S/E Bound
15 Dec 10 06:46 MST ISS 25544 100% -2.5 30° / WNW - SSE S/E Bound
23 Dec 10 18:39 MST ISS 25544 100% -2.3 48° / SSW - E N/E Bound - nice fading-out (dis)appearance
24 Dec 10 19:05 MST ISS 25544 100% -2.0 29° / WSE - NW N/E Bound - another nice fading-out (dis)appearance
25 Dec 10 17:57 MST ISS 25544 100% -3.3 68° / SW - NE N/E Bound - nice bright twilight pass
26 Dec 10 18:25 MST ISS 25544 100% -2.0 28° / SW - NE N/E Bound - barely saw through the haze
10 Jan 11 18:40 MST ISS 25544 100% -2.4 25° / NNW - SE S/E Bound - nice fading disappearance
11 Jan 11 19:08 MST ISS 25544 100% -3.5 71° / NW - SE S/E Bound - nice fading disappearance through the fairly thick clouds
12 Jan 11 17:59 MST ISS 25544 100% -2.6 28° / NNW - SE S/E Bound - saw from Hobby Bench
12 Jan 11 19:35 MST ISS 25544 100% -0.5 16° / W - SSW S/E Bound - saw with Bear
13 Jan 11 18:24 MST ISS 25544 100% -2.6 62° / NNW - SE S/E Bound - nice appearance
14 Jan 11 18:50 MST ISS 25544 100% 0.0 14° / W - SSW S/E Bound
22 Jan 11 06:27 MST ISS 25544 100% -1.7 32° / SSW - ENE N/E Bound
24 Jan 11 05:46 MST ISS 25544 100% -2.3 39° / SE - ENE N/E Bound
25 Jan 11 06:12 MST ISS 25544 100% -3.0 39° / NNW - NE N/E Bound - barely saw it through scattered cloud cover
09 Feb 11 06:31 MST ISS 25544 100% -1.3 20° / NNE S/E Bound
10 Feb 11 06:55 MST ISS 25544 100% -3.5 77° / NE S/E Bound
14 Feb 11 05:34 MST ISS 25544 100% -2.0 30° / SE S/E Bound
15 Feb 11 06:00 MST ISS 25544 100% -1.2 13° / SSW S/E Bound
17 Feb 11 20:02 MST ISS 25544 100% -1.2 19° / SW N/E Bound - Watched for about 90secs before it winked out
22 Feb 11 19:03 MST ISS 25544 100% -1.2 19° / W/NE N/E Bound
08 Mar 11 20:26 MST ISS 25544 100% -0.9 21° / NW S/E Bound - Shuttle Discovery leading by about 30 seconds; Photo of both
10 Mar 11 19:46 MST ISS 25544 100% -2.5 40° / NW S/E Bound - Nice disappearance into Earth's shadow
12 Mar 11 19:03 MST ISS 25544 100% -2.0 35° / NW S/E Bound - Nice late twilight pass
25 Mar 11 05:38 MST ISS 25544 100% -3.5 77° / SW N/E Bound - Very nice pass
15 Apr 11 05:18 MST ISS 25544 100% -3.4 48° / NNW S/E Bound
03 May 11 20:14 MST ISS 25544 100% -1.7 30° / NW - SE S/E Bound - Very nice fading out pass
05 May 11 20:27 MST ISS 25544 100% -3.7 74° / NNW S/E Bound - Very nice fading out pass
06 May 11 20:52 MST ISS 25544 100% -1.7 20° / WNW S/E Bound - Nice fading out pass
07 May 11 19:42 MST ISS 25544 100% -3.7 79° / WNW S/E Bound - Nice twilight pass
08 May 11 20:04 MST ISS 25544 100% -1.5 22° / WNW S/E Bound
25 May 11 04:29 MST ISS 25544 100% -2.9 22° / WNW N/E Bound
26 May 11 04:53 MST ISS 25544 100% -2.7 39° / WSW N/E Bound
27 May 11 03:45 MST ISS 25544 100% -3.0 43° / SSE N/E Bound; caught 2nd half of pass
28 May 11 04:06 MST ISS 25544 100% -2.8 43° / W N/E Bound; nice early morning pass
31 May 11 03:41 MST ISS 25544 100% -1.0 13° / NNW N/E Bound - dim, low pass to the north
12 Jun 11 20:15 MST ISS 25544 100% -1.8 14° / 135° E/B - A couple minutes later (and a degree or two higher) than predicted. A very nice pass
12 Jun 11 21:49 MST ISS 25544 100% -1.7 31° / 321° N/E Bound - Three minutes later than predicted, passed below the Big Dipper. A very nice pass
13 Jun 11 02:40 MST ISS 25544 100% 0.7 4° / 57° E Bound - Nice low (above the horizon) pass as predicted on Real Time Satellite Tracking website
13 Jun 11 04:17 MST ISS 25544 100% -1.2 26° / 38° S/E Bound - Late again; Found out it was boosted to a higher orbit.
13 Jun 11 20:44 MST ISS 25544 100% -3.6 80° / 128° N/E Bound - Very nice pass...got some photos.
13 Jun 11 22:23 MST ISS 25544 100% 0.3 11° / 331° N/E Bound - Nice low altitude pass...grabbed a photo.
14 Jun 11 03:12 MST ISS 25544 100% 0.0 14° / 31° S/E Bound - Nice pass
14 Jun 11 04:47 MST ISS 25544 100% -3.4 49° / 227° S/E Bound - Very nice pre-dawn twilight pass
14 Jun 11 21:18 MST ISS 25544 100% -0.8 23° / 324° N/E Bound
15 Jun 11 03:43 MST ISS 25544 100% -2.3 45° / 41° S/E Bound - very nice all-sky pass
15 Jun 11 20:15 MST ISS 25544 100% -2.9 65° / 319° N/E Bound - nice pass
16 Jun 11 02;41 MST ISS 25544 100% -0.5 17° / 34° S/E Bound - nice pass
16 Jun 11 04:14 MST ISS 25544 100% -2.9 32° / 230° S/E Bound - nice pass
16 Jun 11 20:47 MST ISS 25544 100% -0.1 16° / 327° N/E Bound
18 Jun 11 20:24 MST ISS 25544 100% -0.4 11° / 331° N/E Bound - nice, low pass
23 Jun 11 23:28 MST ISS 25544 100% 0.2 10° / 347° E/B - Bino target then easy naked eye
25 Jun 11 23:05 MST ISS 25544 100% 0.0 13° / 338° S/E Bound
30 Jun 11 21:23 MST ISS 25544 100% -2.7 44° / 360° S/E Bound - Saw with Dad
01 Jul 11 22:00 MST ISS 25544 100% -2.7 24° / 261° S/E Bound - Watched it fade into shadow
04 Jul 11 20:43 MST ISS 25544 100% -2.1 33° / 229° S/E Bound
06 Jul 11 20:25 MST ISS 25544 100% -0.8 16° / 233° S/E Bound
22 Jul 11 05:00 MST ISS 25544 100% -2.3 39° / 132° N/E Bound - twilight photo with the moon and Jupiter
27 Jul 11 03:24 MST ISS 25544 100% -1.7 33° / 55° N/E Bound - photo emerging from Earth's shadow
27 Jul 11 05:00 MST ISS 25544 100% -0.7 11° / 331° N/E Bound - morning twilight photo
28 Jul 11 04:01 MST ISS 25544 100% -1.5 21° / 325° N/E Bound - another photo emerging from Earth's shadow
13 Aug 11 21:10 MST ISS 25544 100% -1.0 10° / 268° N/E Bound - picked it up about 10° up and rising in the west
14 Aug 11 20:12 MST ISS 25544 100% -2.7 54° / 319° N/E Bound - picked it up about 10° up and rising in the west
01 Sep 11 20:27 MST ISS 25544 100% -3.4 74° / 336° S/E Bound - photo fading into earth's shadow
03 Sep 11 20:06 MST ISS 25544 100% -2.5 41° / 228° S/E Bound - photo fading into earth's shadow in the Teapot
03 Sep 11 19:08 MST ISS 25544 100% -3.4 65° / 44° S/E Bound; nice twilight pass and photos
04 Oct 11 05:51 MST ISS 25544 100% -0.8 10° / 27° S/E Bound - low in the NNE; nice twilight pass
07 Oct 11 06:10 MST ISS 25544 100% -3.0 69° / 41° S/E Bound
08 Oct 11 05:11 MST ISS 25544 100% -1.5 28° / 37° S/E Bound - nice pass through bowl of Big Dipper
09 Oct 11 04:15 MST ISS 25544 100% -0.2 14° / 49° S/E Bound - low in the northeast
09 Oct 11 05:49 MST ISS 25544 100% -3.1 51° / 227° S/E Bound - very nice pass; through Orion
11 Oct 11 05:50 MST ISS 25544 100% -2.1 24° / 231° S/E Bound - nice pass
12 Oct 11 04:35 MST ISS 25544 100% -0.5 13° / 231° S/E Bound - fairly brief: going directly away from my line of sight
14 Oct 11 19:07 MST ISS 25544 100% -3.1 45° / 133° N/E Bound - photo fading out into the shadow of Earth
15 Oct 11 18:11 MST ISS 25544 100% -1.6 17° / 128° N/E Bound - nice bright twilight pass; caught it due east
15 Oct 11 19:44 MST ISS 25544 100% -1.6 29° / 309° N/E Bound - 2nd visible pass this evening, nice pass
16 Oct 11 18:45 MST ISS 25544 100% -3.4 78° / 312° N/E Bound - nice high pass
17 Oct 11 19:26 MST ISS 25544 100% -0.9 17° / 327° N/E Bound
18 Oct 11 18:27 MST ISS 25544 100% -2.0 36° / 321° N/E Bound
19 Oct 11 19:05 MST ISS 25544 100% -0.4 11° / 331° N/E Bound - low in north
20 Oct 11 18:05 MST ISS 25544 100% -1.2 22° / 325° S/E Bound; watched with Carissa
31 Oct 11 18:53 MST ISS 25544 100% -1.7 10° / 12° S/E Bound; very low in north
01 Nov 11 19:29 MST ISS 25544 100% -0.6 14° / 333° S/E Bound; low in north - photo entering shadow
02 Nov 11 18:35 MST ISS 25544 100% -1.7 18° / 42° S/E Bound; low in north - photo entering shadow
03 Nov 11 19:12 MST ISS 25544 100% -2.8 52° / 321° S/E Bound; - photo entering shadow
05 Nov 11 18:55 MST ISS 25544 100% -2.1 40° / 228° S/E Bound
06 Nov 11 17:56 MST ISS 25544 100% -3.5 73° / 40° S/E Bound
15 Nov 11 06:02 MST ISS 25544 100% -0.6 20° / 129° N/E Bound
16 Nov 11 06:38 MST ISS 25544 100% -3.5 62° / 319° N/E Bound
17 Nov 11 05:42 MST ISS 25544 100% -2.4 44° / 133° N/E Bound
06 Dec 11 05:34 MST ISS 25544 100% -1.8 27° / 37° S/E Bound
07 Dec 11 06:13 MST ISS 25544 100% -3.1 46° / 227° S/E Bound - watch emerge from Earth's shadow
08 Dec 11 05:19 MST ISS 25544 100% -1.3 27° / 124° S/E Bound
15 Dec 11 18:30 MST ISS 25544 100% -3.4 70° / 136° N/E Bound - photo entering Earth's shadow
16 Dec 11 19:12 MST ISS 25544 100% -1.4 22° / 324° N/E Bound - watched fade out into Earth's shadow
17 Dec 11 18:15 MST ISS 25544 100% -2.6 47° / 319° N/E Bound - saw through clouds
21 Dec 11 17:44 MST ISS 25544 100% -0.7 13° / 330° N/E Bound - twilight pass; binocular then naked-eye pass low in the north/northeast
01 JAN 12 18:40 MST ISS 25544 100% -1.5 21° / 28° S/E Bound
02 JAN 12 17:45 MST ISS 25544 100% -1.5 12° / 29° S/E Bound - twilight pass like above; binocular then naked-eye pass low in the north/northeast
02 JAN 12 19:19 MST ISS 25544 100% -2.5 46° / 301° S/E Bound - watched it fade out after passing Deneb; 2nd pass observed tonight
03 JAN 12 18:23 MST ISS 25544 100% -2.9 41° / 40° S/E Bound
04 JAN 12 19:04 MST ISS 25544 100% -1.5 31° / 229° S/E Bound
05 JAN 12 18:05 MST ISS 25544 100% -3.3 84° / 257° S/E Bound
06 JAN 12 18:45 MST ISS 25544 100% 0.2 14° / 233° S/E Bound - passed below Venus
13 JAN 12 07:16 MST ISS 25544 100% -3.3 89° / 316° N/E Bound - nice bright twilight pass
17 JAN 12 05:09 MST ISS 25544 100% 0.0 12° / 68° N/E Bound
17 JAN 12 06:42 MST ISS 25544 100% -1.8 20° / 326° N/E Bound
18 JAN 12 05:48 MST ISS 25544 100% -1.2 18° / 23° N/E Bound
19 JAN 12 06:26 MST ISS 25544 100% -1.0 11° / 340° N/E Bound
02 FEB 12 06:05 MST ISS 25544 100% -1.2 14° / 352° S/E Bound - watch emerge from shadow at this time and ALT / AZ
03 FEB 12 05:11 MST ISS 25544 100% -0.1 11° / 47° S/E Bound - nice & low in the northeast
03 FEB 12 06:46 MST ISS 25544 100% -3.4 74° / 228° S/E Bound
06 FEB 12 05:35 MST ISS 25544 100% -2.0 36° / 143° S/E Bound - watched emerge from shadow
27 FEB 12 19:56 MST ISS 25544 100% -1.2 18° / 359° S/E Bound - disappeared into shadow due north
28 FEB 12 19:01 MST ISS 25544 100% -1.2 13° / 30° S/E Bound
29 FEB 12 19:38 MST ISS 25544 100% -3.2 48° / 41° S/E Bound - watched disappear into shadow
01 MAR 12 18:48 MST ISS 25544 100% -2.8 22° / 35° S/E Bound - nice bright early twilight pass
01 MAR 12 20:18 MST ISS 25544 100% -1.3 24° / 241° S/E Bound; photo disappearing into shadow
02 MAR 12 19:25 MST ISS 25544 100% -3.2 66° / 224° S/E Bound; very nice evening pass
16 MAR 12 06:03 MST ISS 25544 100% -3.4 85° / 302° N/E Bound; very nice morning pass
20 MAR 12 05:28 MST ISS 25544 100% -1.7 20° / 325° N/E Bound; Watched come out of shadow; nice morning pass
21 MAR 12 04:34 MST ISS 25544 100% -1.0 20° / 22° N/E Bound; Watched emerge from shadow again
22 MAR 12 05:11 MST ISS 25544 100% -0.9 12° / 332° N/E Bound; Watched emerge from shadow yet again
08 APR 12 05:07 MST ISS 25544 100% -2.9 37° / 228° S/E Bound; nice pass
10 APR 12 19:47 MST ISS 25544 100% -3.4 85° / 334° N/E Bound; very nice pass
10 APR 12 21:25 MST ISS 25544 100% 0.1 11° / 332° N/E Bound; nice low pass
11 APR 12 20:29 MST ISS 25544 100% -0.5 18° / 327° N/E Bound; nice low pass
12 APR 12 19:33 MST ISS 25544 100% -1.7 35° / 321° N/E Bound; nice twilight pass
26 APR 12 20:57 MST ISS 25544 100% -2.7 52° / 349° S/E Bound; tracked in scope at 111x; 1st time actually seeing the ISS itself - very cool
Watched fade into shadow
27 APR 12 20:02 MST ISS 25544 100% -2.0 28° / 38° S/E Bound
27 APR 12 21:37 MST ISS 25544 100% -0.3 13° / 272° S/E Bound; 2nd pass tonight - watched fade into shadow
28 APR 12 20:42 MST ISS 25544 100% -2.8 47° / 227° S/E Bound; Rainbow Valley - watched fade into shadow
29 APR 12 19:47 MST ISS 25544 100% -3.3 67° / 39° S/E Bound; Nice twilight pass
17 MAY 12 05:00 MST ISS 25544 100% -2.2 61° / 131° N/E Bound
18 MAY 12 04:07 MST ISS 25544 100% -1.6 25° / 130° N/E Bound
19 MAY 12 04:48 MST ISS 25544 100% -2.8 47° / 319° N/E Bound; watched emerge from shadow




The image above from the Heavens Above Website shows the orbit re-boost that took place during the past day or two. This accounts for the minor timing discrepancies I noted during observations on the 12/13 June 2011.


From my vantage, the International Space Station passed southwest to northeast (R-to-L) near the Hyades and below the Pleaides on the morning of August 3rd, 2010.
This photo has been converted to grayscale so all star colors have been rendered as white.


The ISS made a nice morning twilight flyby on September 29, 2010. The 12-second exposure below shows the space station near Orion, with the waning gibbous moon, Aldebaran and the Hyades cluster visible as well.


The ISS made a nice morning twilight flyby on October 2, 2010. The 24-second exposure below shows the space station moving from southwest to northeast. Cassiopiea is out of frame to the upper left.