When Is 90001107 161P/Hartley-IRAS Visible During the Year?
See how 90001107 161P/Hartley-IRAS visibility changes through the year from your location. The graph shows its seasonal observing windows, while the table gives rise, transit and set times for selected dates.
90001107 161P/Hartley-IRAS will remain visible until December 22, when it moves too close to the Sun and temporarily disappears from the night sky.
Best Months to See 90001107 161P/Hartley-IRAS
Based on the amount of time 90001107 161P/Hartley-IRAS is above the horizon during dark or twilight hours, the strongest observing months in the next year are September 2026, March 2027, April 2027.
90001107 161P/Hartley-IRAS Visibility Throughout the Year
90001107 161P/Hartley-IRAS visibility on 2026-09-27
90001107 161P/Hartley-IRAS Visible from evening until sunrise
90001107 161P/Hartley-IRAS rise and set timetable
| Time | Elevation | |
Moonrise, 99.8% illuminated  | 16:51 | -7° |
| 90001107 161P/Hartley-IRAS rise | 17:25 | |
| Twilight start (−12°) | 17:54 | 5° |
| Astronomical observing session begins | 18:25 | 11° |
| 90001107 161P/Hartley-IRAS transit | 22:54 | 43° |
| Astronomical observing session ends | 03:33 | 9° |
| Twilight end (−12°) | 04:03 | 3° |
| 90001107 161P/Hartley-IRAS set | 04:23 | |
| Moonset | 06:07 | -21° |
Track 90001107 161P/Hartley-IRAS position throughout the night
← 27 September 2026 →
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| Altitude | |
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Shift the map to change the time and observe 90001107 161P/Hartley-IRAS changing position in the night sky.
90001107 161P/Hartley-IRAS Rise, Transit and Set Times by Date
| Date | Rise — Set | Transit | Twilight | Coordinates | |||||
|---|---|---|---|---|---|---|---|---|---|
| 2026-09-27 | 17:20 - 04:20 | 22:50 | 16:52 - 04:58 | RA: 00h 07m 01s", Dec: -9° 29' 27s @ Cetus | |||||
| 2026-10-04 | 15:14 - 02:55 | 21:04 | 16:42 - 05:04 | RA: 22h 48m 44s", Dec: -2° 50' 27s @ Aquarius | |||||
| 2026-10-11 | 13:18 - 01:38 | 19:28 | 16:32 - 05:10 | RA: 21h 39m 57s", Dec: 03° 39' 15s @ Pegasus | |||||
| 2026-10-18 | 11:46 - 00:36 | 18:11 | 16:22 - 05:17 | RA: 20h 50m 14s", Dec: 08° 26' 17s @ Delphinus | |||||
| 2026-10-25 | 10:38 - 23:47 | 17:12 | 16:13 - 05:24 | RA: 20h 18m 55s", Dec: 11° 29' 14s @ Delphinus | |||||
| 2026-11-01 | 09:40 - 23:04 | 16:22 | 16:05 - 05:31 | RA: 19h 56m 09s", Dec: 13° 49' 29s @ Aquila | |||||
| 2026-11-08 | 08:51 - 22:27 | 15:39 | 15:58 - 05:38 | RA: 19h 40m 49s", Dec: 15° 35' 59s @ Aquila | |||||
| 2026-11-15 | 08:04 - 21:50 | 14:57 | 15:52 - 05:45 | RA: 19h 30m 15s", Dec: 17° 04' 12s @ Sagitta | |||||
| 2026-11-22 | 07:25 - 21:20 | 14:22 | 15:48 - 05:52 | RA: 19h 22m 50s", Dec: 18° 22' 54s @ Sagitta | |||||
| 2026-11-29 | 06:48 - 20:52 | 13:50 | 15:45 - 05:59 | RA: 19h 17m 33s", Dec: 19° 37' 15s @ Sagitta | |||||
| 2026-12-06 | 06:12 - 20:25 | 13:18 | 15:44 - 06:06 | RA: 19h 13m 45s", Dec: 20° 50' 46s @ Sagitta | |||||
| 2026-12-13 | 05:37 - 19:59 | 12:48 | 15:44 - 06:12 | RA: 19h 10m 59s", Dec: 22° 06' 15s @ Vulpecula | |||||
| 2026-12-20 | 05:02 - 19:34 | 12:18 | 15:47 - 06:16 | RA: 19h 08m 57s", Dec: 23° 25' 55s @ Vulpecula | |||||
| 2026-12-27 | 04:28 - 19:11 | 11:49 | 15:51 - 06:19 | RA: 19h 07m 24s", Dec: 24° 51' 41s @ Vulpecula | |||||
| 2027-01-03 | 03:53 - 18:48 | 11:21 | 15:56 - 06:21 | RA: 19h 06m 07s", Dec: 26° 25' 28s @ LYRA | |||||
| 2027-01-10 | 03:17 - 18:27 | 10:52 | 16:02 - 06:21 | RA: 19h 04m 55s", Dec: 28° 09' 24s @ LYRA | |||||
| 2027-01-17 | 02:39 - 18:07 | 10:23 | 16:09 - 06:19 | RA: 19h 03m 35s", Dec: 30° 05' 31s @ LYRA | |||||
| 2027-01-24 | 02:00 - 17:48 | 09:54 | 16:16 - 06:16 | RA: 19h 01m 53s", Dec: 32° 15' 41s @ LYRA | |||||
| 2027-01-31 | 01:18 - 17:30 | 09:24 | 16:24 - 06:11 | RA: 18h 59m 32s", Dec: 34° 41' 55s @ LYRA | |||||
| 2027-02-07 | 00:31 - 17:15 | 08:53 | 16:32 - 06:05 | RA: 18h 56m 11s", Dec: 37° 26' 08s @ LYRA | |||||
| 2027-02-14 | 23:39 - 17:02 | 08:21 | 16:39 - 05:57 | RA: 18h 51m 19s", Dec: 40° 29' 44s @ LYRA | |||||
| 2027-02-21 | 22:39 - 16:54 | 07:46 | 16:47 - 05:49 | RA: 18h 44m 19s", Dec: 43° 52' 59s @ LYRA | |||||
| 2027-02-28 | 21:24 - 16:54 | 07:09 | 16:54 - 05:40 | RA: 18h 34m 14s", Dec: 47° 34' 38s @ LYRA | |||||
| 2027-03-07 | 19:33 - 17:20 | 06:27 | 17:00 - 05:30 | RA: 18h 19m 45s", Dec: 51° 30' 40s @ Draco | |||||
| 2027-03-14 | 90001107 161P/Hartley-IRAS is always above the horizon | 05:38 | 17:07 - 05:20 | RA: 17h 59m 01s", Dec: 55° 32' 02s @ Draco | |||||
| 2027-03-21 | 90001107 161P/Hartley-IRAS is always above the horizon | 04:42 | 17:14 - 05:09 | RA: 17h 29m 37s", Dec: 59° 22' 18s @ Draco | |||||
| 2027-03-28 | 90001107 161P/Hartley-IRAS is always above the horizon | 03:34 | 17:20 - 04:59 | RA: 16h 49m 17s", Dec: 62° 36' 07s @ Draco | |||||
| 2027-04-04 | 90001107 161P/Hartley-IRAS is always above the horizon | 02:15 | 17:26 - 04:48 | RA: 15h 57m 47s", Dec: 64° 40' 52s @ Draco | |||||
| 2027-04-11 | 90001107 161P/Hartley-IRAS is always above the horizon | 00:50 | 17:32 - 04:38 | RA: 15h 00m 03s", Dec: 65° 08' 09s @ Draco | |||||
| 2027-04-18 | 90001107 161P/Hartley-IRAS is always above the horizon | 23:28 | 17:39 - 04:29 | RA: 14h 05m 22s", Dec: 63° 52' 46s @ Draco | |||||
| 2027-04-25 | 90001107 161P/Hartley-IRAS is always above the horizon | 22:16 | 17:45 - 04:19 | RA: 13h 20m 48s", Dec: 61° 17' 08s @ Ursa Major | |||||
| 2027-05-02 | 90001107 161P/Hartley-IRAS is always above the horizon | 21:15 | 17:51 - 04:11 | RA: 12h 47m 52s", Dec: 57° 53' 46s @ Ursa Major | |||||
| 2027-05-09 | 90001107 161P/Hartley-IRAS is always above the horizon | 20:25 | 17:57 - 04:04 | RA: 12h 24m 44s", Dec: 54° 09' 48s @ Ursa Major | |||||
| 2027-05-16 | 09:14 - 06:09 | 19:42 | 18:03 - 03:57 | RA: 12h 08m 56s", Dec: 50° 23' 06s @ Ursa Major | |||||
| 2027-05-23 | 09:28 - 04:39 | 19:04 | 18:09 - 03:52 | RA: 11h 58m 24s", Dec: 46° 43' 49s @ Ursa Major | |||||
| 2027-05-30 | 09:27 - 03:32 | 18:29 | 18:14 - 03:49 | RA: 11h 51m 38s", Dec: 43° 16' 49s @ Ursa Major | |||||
| 2027-06-06 | 09:19 - 02:36 | 17:58 | 18:19 - 03:46 | RA: 11h 47m 37s", Dec: 40° 03' 54s @ Ursa Major | |||||
| 2027-06-13 | 09:09 - 01:48 | 17:28 | 18:22 - 03:45 | RA: 11h 45m 37s", Dec: 37° 05' 20s @ Ursa Major | |||||
| 2027-06-20 | 08:56 - 01:05 | 17:00 | 18:25 - 03:46 | RA: 11h 45m 09s", Dec: 34° 20' 30s @ Ursa Major | |||||
| 2027-06-27 | 08:42 - 00:25 | 16:33 | 18:26 - 03:48 | RA: 11h 45m 49s", Dec: 31° 48' 18s @ Ursa Major | |||||
| 2027-07-04 | 08:27 - 23:48 | 16:07 | 18:26 - 03:51 | RA: 11h 47m 24s", Dec: 29° 27' 27s @ Ursa Major | |||||
| 2027-07-11 | 08:11 - 23:14 | 15:42 | 18:24 - 03:55 | RA: 11h 49m 40s", Dec: 27° 16' 49s @ Leo | |||||
| 2027-07-18 | 07:54 - 22:41 | 15:17 | 18:21 - 04:00 | RA: 11h 52m 30s", Dec: 25° 15' 21s @ Leo | |||||
| 2027-07-25 | 07:33 - 22:05 | 14:49 | 18:16 - 04:05 | RA: 11h 55m 45s", Dec: 23° 22' 01s @ Leo | |||||
| 2027-08-01 | 07:16 - 21:34 | 14:25 | 18:10 - 04:11 | RA: 11h 59m 21s", Dec: 21° 35' 55s @ Leo | |||||
| 2027-08-08 | 06:59 - 21:05 | 14:02 | 18:03 - 04:16 | RA: 12h 03m 13s", Dec: 19° 56' 19s @ Coma Berenices | |||||
| 2027-08-15 | 06:41 - 20:36 | 13:38 | 17:55 - 04:22 | RA: 12h 07m 17s", Dec: 18° 22' 37s @ Coma Berenices | |||||
| 2027-08-22 | 06:22 - 20:07 | 13:15 | 17:46 - 04:28 | RA: 12h 11m 30s", Dec: 16° 54' 16s @ Coma Berenices | |||||
| 2027-08-29 | 06:04 - 19:39 | 12:52 | 17:37 - 04:34 | RA: 12h 15m 50s", Dec: 15° 30' 47s @ Coma Berenices | |||||
| 2027-09-05 | 05:45 - 19:12 | 12:29 | 17:26 - 04:40 | RA: 12h 20m 14s", Dec: 14° 11' 47s @ Coma Berenices | |||||
| 2027-09-12 | 05:26 - 18:45 | 12:05 | 17:16 - 04:45 | RA: 12h 24m 40s", Dec: 12° 57' 01s @ Virgo | |||||
| 2027-09-19 | 05:07 - 18:18 | 11:42 | 17:05 - 04:51 | RA: 12h 29m 05s", Dec: 11° 46' 14s @ Virgo | |||||
| 2027-09-26 | 04:47 - 17:51 | 11:19 | 16:54 - 04:57 | RA: 12h 33m 28s", Dec: 10° 39' 10s @ Virgo | |||||