Quand Altair est-il visible ?
See how Altair 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.
Altair restera visible jusqu’au 22 décembre, date à laquelle l’objet se rapprochera trop du Soleil et disparaîtra temporairement du ciel nocturne.
Best Months to See Altair
Based on the amount of time Altair is above the horizon during dark or twilight hours, the strongest observing months in the next year are août 2027, septembre 2027, septembre 2026.
Visibilité de Altair au cours de l’année
Visibilité de Altair le 2026-09-07
Horaires de lever et de coucher de Altair
| Heure | Hauteur | |
| Lever de Altair | 13:27 | |
| Coucher de la Lune | 14:56 | 18° |
| Coucher du Soleil | 17:27 | 46° |
| Crépuscule civil du soir | 17:55 | 51° |
| Début du crépuscule | 18:26 | 55° |
| Début de la session d’observation astronomique | 18:58 | 59° |
| Passage au méridien de Altair | 19:53 | 62° |
Lever de la Lune, éclairée à 21 %  | 23:21 | 35° |
| Coucher de Altair | 02:19 | |
| Fin de la session d’observation astronomique | 03:13 | -10° |
Suivre la position de Altair pendant la nuit
← 7 septembre 2026 →
| Heure | |
| Hauteur | |
| Azimut |
Déplacez la carte pour changer l’heure et observer la position de Altair au cours de la nuit.
Lever, passage au méridien et coucher de Altair par date
| Date | Lever — Coucher | Passage au méridien | Crépuscule | Coordonnées | |||||
|---|---|---|---|---|---|---|---|---|---|
| 2026-09-06 | 13:31 - 02:23 | 19:57 | 17:24 - 04:41 | RA: 19h 50m 46s", Dec: 08° 52' 05s @ Aigle | |||||
| 2026-09-13 | 13:03 - 01:56 | 19:29 | 17:14 - 04:46 | RA: 19h 50m 46s", Dec: 08° 52' 05s @ Aigle | |||||
| 2026-09-20 | 12:36 - 01:28 | 19:02 | 17:03 - 04:52 | RA: 19h 50m 46s", Dec: 08° 52' 05s @ Aigle | |||||
| 2026-09-27 | 12:08 - 01:01 | 18:34 | 16:52 - 04:58 | RA: 19h 50m 46s", Dec: 08° 52' 05s @ Aigle | |||||
| 2026-10-04 | 11:41 - 00:33 | 18:07 | 16:42 - 05:04 | RA: 19h 50m 46s", Dec: 08° 52' 05s @ Aigle | |||||
| 2026-10-11 | 11:13 - 00:06 | 17:39 | 16:32 - 05:10 | RA: 19h 50m 46s", Dec: 08° 52' 05s @ Aigle | |||||
| 2026-10-18 | 10:45 - 23:38 | 17:12 | 16:22 - 05:17 | RA: 19h 50m 46s", Dec: 08° 52' 05s @ Aigle | |||||
| 2026-10-25 | 10:18 - 23:11 | 16:44 | 16:13 - 05:24 | RA: 19h 50m 46s", Dec: 08° 52' 05s @ Aigle | |||||
| 2026-11-01 | 09:50 - 22:43 | 16:17 | 16:05 - 05:31 | RA: 19h 50m 46s", Dec: 08° 52' 05s @ Aigle | |||||
| 2026-11-08 | 09:23 - 22:15 | 15:49 | 15:58 - 05:38 | RA: 19h 50m 46s", Dec: 08° 52' 05s @ Aigle | |||||
| 2026-11-15 | 08:55 - 21:48 | 15:22 | 15:52 - 05:45 | RA: 19h 50m 46s", Dec: 08° 52' 05s @ Aigle | |||||
| 2026-11-22 | 08:24 - 21:17 | 14:50 | 15:48 - 05:52 | RA: 19h 50m 46s", Dec: 08° 52' 05s @ Aigle | |||||
| 2026-11-29 | 07:56 - 20:49 | 14:23 | 15:45 - 05:59 | RA: 19h 50m 46s", Dec: 08° 52' 05s @ Aigle | |||||
| 2026-12-06 | 07:29 - 20:21 | 13:55 | 15:44 - 06:06 | RA: 19h 50m 46s", Dec: 08° 52' 05s @ Aigle | |||||
| 2026-12-13 | 07:01 - 19:54 | 13:28 | 15:44 - 06:12 | RA: 19h 50m 46s", Dec: 08° 52' 05s @ Aigle | |||||
| 2026-12-20 | 06:34 - 19:26 | 13:00 | 15:47 - 06:16 | RA: 19h 50m 46s", Dec: 08° 52' 05s @ Aigle | |||||
| 2026-12-27 | 06:06 - 18:59 | 12:33 | 15:51 - 06:19 | RA: 19h 50m 46s", Dec: 08° 52' 05s @ Aigle | |||||
| 2027-01-03 | 05:39 - 18:31 | 12:05 | 15:56 - 06:21 | RA: 19h 50m 46s", Dec: 08° 52' 05s @ Aigle | |||||
| 2027-01-10 | 05:11 - 18:04 | 11:38 | 16:02 - 06:21 | RA: 19h 50m 46s", Dec: 08° 52' 05s @ Aigle | |||||
| 2027-01-17 | 04:44 - 17:36 | 11:10 | 16:09 - 06:19 | RA: 19h 50m 46s", Dec: 08° 52' 05s @ Aigle | |||||
| 2027-01-24 | 04:16 - 17:09 | 10:43 | 16:16 - 06:16 | RA: 19h 50m 46s", Dec: 08° 52' 05s @ Aigle | |||||
| 2027-01-31 | 03:49 - 16:41 | 10:15 | 16:24 - 06:11 | RA: 19h 50m 46s", Dec: 08° 52' 05s @ Aigle | |||||
| 2027-02-07 | 03:21 - 16:14 | 09:47 | 16:32 - 06:05 | RA: 19h 50m 46s", Dec: 08° 52' 05s @ Aigle | |||||
| 2027-02-14 | 02:54 - 15:46 | 09:20 | 16:39 - 05:57 | RA: 19h 50m 46s", Dec: 08° 52' 05s @ Aigle | |||||
| 2027-02-21 | 02:26 - 15:19 | 08:52 | 16:47 - 05:49 | RA: 19h 50m 46s", Dec: 08° 52' 05s @ Aigle | |||||
| 2027-02-28 | 01:59 - 14:51 | 08:25 | 16:54 - 05:40 | RA: 19h 50m 46s", Dec: 08° 52' 05s @ Aigle | |||||
| 2027-03-07 | 01:31 - 14:24 | 07:57 | 17:00 - 05:30 | RA: 19h 50m 46s", Dec: 08° 52' 05s @ Aigle | |||||
| 2027-03-14 | 01:04 - 13:56 | 07:30 | 17:07 - 05:20 | RA: 19h 50m 46s", Dec: 08° 52' 05s @ Aigle | |||||
| 2027-03-21 | 00:36 - 13:29 | 07:02 | 17:14 - 05:09 | RA: 19h 50m 46s", Dec: 08° 52' 05s @ Aigle | |||||
| 2027-03-28 | 00:08 - 13:01 | 06:35 | 17:20 - 04:59 | RA: 19h 50m 46s", Dec: 08° 52' 05s @ Aigle | |||||
| 2027-04-04 | 23:41 - 12:34 | 06:07 | 17:26 - 04:48 | RA: 19h 50m 46s", Dec: 08° 52' 05s @ Aigle | |||||
| 2027-04-11 | 23:13 - 12:06 | 05:40 | 17:32 - 04:38 | RA: 19h 50m 46s", Dec: 08° 52' 05s @ Aigle | |||||
| 2027-04-18 | 22:46 - 11:39 | 05:12 | 17:39 - 04:29 | RA: 19h 50m 46s", Dec: 08° 52' 05s @ Aigle | |||||
| 2027-04-25 | 22:18 - 11:11 | 04:45 | 17:45 - 04:19 | RA: 19h 50m 46s", Dec: 08° 52' 05s @ Aigle | |||||
| 2027-05-02 | 21:51 - 10:43 | 04:17 | 17:51 - 04:11 | RA: 19h 50m 46s", Dec: 08° 52' 05s @ Aigle | |||||
| 2027-05-09 | 21:23 - 10:16 | 03:50 | 17:57 - 04:04 | RA: 19h 50m 46s", Dec: 08° 52' 05s @ Aigle | |||||
| 2027-05-16 | 20:56 - 09:48 | 03:22 | 18:03 - 03:57 | RA: 19h 50m 46s", Dec: 08° 52' 05s @ Aigle | |||||
| 2027-05-23 | 20:28 - 09:21 | 02:55 | 18:09 - 03:52 | RA: 19h 50m 46s", Dec: 08° 52' 05s @ Aigle | |||||
| 2027-05-30 | 20:01 - 08:53 | 02:27 | 18:14 - 03:49 | RA: 19h 50m 46s", Dec: 08° 52' 05s @ Aigle | |||||
| 2027-06-06 | 19:33 - 08:26 | 02:00 | 18:19 - 03:46 | RA: 19h 50m 46s", Dec: 08° 52' 05s @ Aigle | |||||
| 2027-06-13 | 19:06 - 07:58 | 01:32 | 18:22 - 03:45 | RA: 19h 50m 46s", Dec: 08° 52' 05s @ Aigle | |||||
| 2027-06-20 | 18:38 - 07:31 | 01:05 | 18:25 - 03:46 | RA: 19h 50m 46s", Dec: 08° 52' 05s @ Aigle | |||||
| 2027-06-27 | 18:11 - 07:03 | 00:37 | 18:26 - 03:48 | RA: 19h 50m 46s", Dec: 08° 52' 05s @ Aigle | |||||
| 2027-07-04 | 17:43 - 06:36 | 00:09 | 18:26 - 03:51 | RA: 19h 50m 46s", Dec: 08° 52' 05s @ Aigle | |||||
| 2027-07-11 | 17:16 - 06:08 | 23:42 | 18:24 - 03:55 | RA: 19h 50m 46s", Dec: 08° 52' 05s @ Aigle | |||||
| 2027-07-18 | 16:48 - 05:41 | 23:14 | 18:21 - 04:00 | RA: 19h 50m 46s", Dec: 08° 52' 05s @ Aigle | |||||
| 2027-07-25 | 16:21 - 05:13 | 22:47 | 18:16 - 04:05 | RA: 19h 50m 46s", Dec: 08° 52' 05s @ Aigle | |||||
| 2027-08-01 | 15:53 - 04:46 | 22:19 | 18:10 - 04:11 | RA: 19h 50m 46s", Dec: 08° 52' 05s @ Aigle | |||||
| 2027-08-08 | 15:26 - 04:18 | 21:52 | 18:03 - 04:16 | RA: 19h 50m 46s", Dec: 08° 52' 05s @ Aigle | |||||
| 2027-08-15 | 14:58 - 03:51 | 21:24 | 17:55 - 04:22 | RA: 19h 50m 46s", Dec: 08° 52' 05s @ Aigle | |||||
| 2027-08-22 | 14:31 - 03:23 | 20:57 | 17:46 - 04:28 | RA: 19h 50m 46s", Dec: 08° 52' 05s @ Aigle | |||||
| 2027-08-29 | 14:03 - 02:56 | 20:29 | 17:37 - 04:34 | RA: 19h 50m 46s", Dec: 08° 52' 05s @ Aigle | |||||
| 2027-09-05 | 13:35 - 02:28 | 20:02 | 17:26 - 04:40 | RA: 19h 50m 46s", Dec: 08° 52' 05s @ Aigle | |||||