Deneb Observation Details
Deneb Daily Motion
Deneb will be visible until January, 22, when it will move too close to the Sun. During this time, its proximity to the Sun will cause it to disappear from the night sky, making it unobservable for a while.
Deneb Visibility Timetable on September 19
Deneb Rise and Set Timetable
| Time | Elevation | |
| Moon Rise, 11.6% illuminated | 01:35 | 29° |
| Moon Set | 15:52 | 45° |
| Sunset | 17:08 | 58° |
| Civil sunset | 17:36 | 63° |
| Astrosession begin | 18:37 | 73° |
| Deneb transit | 19:55 | 82° |
| Astrosession end | 03:25 | 12° |
| Civil sunrise | 04:27 | 5° |
| Sunrise | 04:54 | 2° |
| Deneb set | 05:16 | |
| Deneb rise | 10:31 |
Track Deneb Position Throughout the Night
← Fri, 19 September 2025 →
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Shift the map to change the time and observe Deneb changing position in the night sky.
Where is Deneb right now?
Deneb is located in the constellation Cygnus, at right ascension 20h 41m 25s" and declination 45° 16' 49s. At the current time, it is above the horizon at an altitude of 65 degrees toward the west-northwest from your location, with an apparent magnitude of 1.25.Deneb - Blue Supergiant Star
Deneb is the brightest star in the constellation Cygnus and the twentieth-brightest star in the night sky. It is a blue supergiant star located about 2,600 light-years away from Earth.
Deneb has an apparent magnitude of 1.25 and is one of the most luminous stars visible to the naked eye. It is part of the Summer Triangle asterism.
Finder Chart for Deneb
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| Object name | Deneb |
| Field of view | |
| Limiting magnitude | |
| Deneb coordinates | 20.690532, 45.280338 |
| Center coordinates | 20.690532, 45.280338 |
Deneb Passage Through Night
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Current position of Deneb
| Time | 17:47 |
| Latitude | 37.3541 |
| Longitude | -121.955 |
| Deneb elevation | 65° |
| Deneb Azimuth | -62° |
Here you can see the current position of the Deneb on the map, as well as its positions for rise and set. This tool allows you to track the Deneb's movement throughout the night, providing you with accurate and up-to-date information.
Annual motion of Deneb
| Date | Sat, 20 September 2025 |
| Twighlight start | 18:35 |
| Twighlight end | 03:24 |
| Twighlight duration | 9h 48m |
| Rise | 10:31 |
| Set | 05:12 |
| Elevation at transit | 82° |
| Transit time | 19:51 |
| Equatorial coordinates | RA: 20h 41m 25s", Dec: 45° 16' 49s |
| Magnitude | 1 |
| Constellation | Cygnus |
The graph illustrates the annual visibility pattern of a Deneb, providing a comprehensive overview of its daily appearances and transit times throughout the year.
The graph is structured with the vertical axis showing the hours of the day, ranging from 12 AM to 12 AM the next day, while the horizontal axis spans each day of the year.
The reddish shaded area indicates the periods when the Deneb is above the horizon, visible to observers. The white line marks the times when the celestial object reaches its highest point in the sky each day, known as the transit.
The graph is structured with the vertical axis showing the hours of the day, ranging from 12 AM to 12 AM the next day, while the horizontal axis spans each day of the year.
The reddish shaded area indicates the periods when the Deneb is above the horizon, visible to observers. The white line marks the times when the celestial object reaches its highest point in the sky each day, known as the transit.
Astrometric & Physical Parameters of Deneb
Coordinates & Visibility
| Right Ascension | 20.690532° |
| Declination | 45.280338° |
| Magnitude | 1.25 |
| Constellation | Cygnus |
| Elevation | 64.7° |
| Azimuth | -61.5° |