Deneb Observation Details
Deneb Daily Motion
Deneb will rise before twilight begins, at 11:54, and will reach 60° elevation by the time twilight commences at 18:38. It will reach its transit at 82° by 21:14 and gradually fade away as the night ends at 03:38, maintaining an elevation of around 22°.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 August 30
Deneb Rise and Set Timetable
| Time | Elevation | |
| Moon Rise, 36.6% illuminated | 10:57 | -4° |
| Deneb rise | 11:54 | |
| Sunset | 17:39 | 49° |
| Civil sunset | 18:07 | 54° |
| Astrosession begin | 19:12 | 66° |
| Moon Set | 20:42 | 80° |
| Deneb transit | 21:14 | 82° |
| Astrosession end | 03:05 | 27° |
| Civil sunrise | 04:10 | 17° |
| Sunrise | 04:38 | 13° |
| Deneb set | 06:34 |
Track Deneb Position Throughout the Night
← Sat, 30 August 2025 →
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| Altitude | |
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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 below the horizon and not visible from your location.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 | 11:27 |
| Latitude | 37.3541 |
| Longitude | -121.955 |
| Deneb elevation | -2° |
| Deneb Azimuth | -23° |
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, 30 August 2025 |
| Twighlight start | 19:07 |
| Twighlight end | 02:58 |
| Twighlight duration | 8h 51m |
| Rise | 11:50 |
| Set | 06:30 |
| Elevation at transit | 82° |
| Transit time | 21:10 |
| 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 | -2.2° |
| Azimuth | -22.5° |