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Sky-Tonight.com / Brightest Stars / Rasalhague
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Observation Settings

Or select it on the map:
This Earth map fragment is intended to illustrate celestial motion across the sky, emphasizing both bearing and elevational perspectives. The map's center point corresponds to the transit, showcasing celestial objects at their highest point, while elevation gradually decreases towards the map edges. This dynamic representation offers insights into the changing positions of celestial bodies with a focus on their bearing and elevational trajectories.
Your location: Columbus, United States
Timezone:
Latitude:
39.9625
Longitude:
-83.0061

Rasalhague Observation Details

Rasalhague

Rasalhague Daily Motion


Rasalhague will be visible until November, 20, 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.

Rasalhague Visibility Timetable on August 26

Rasalhague Rise and Set Timetable

TimeElevation
Moon Rise, 5.4% illuminated09:09-37°
Rasalhague rise14:06
Sunset20:1261°
Civil sunset20:4163°
Rasalhague transit20:4863°
Moon Set21:1962°
Astrosession begin21:5159°
Rasalhague set03:30
Astrosession end05:17-18°

Track Rasalhague Position Throughout the Night

← Tue, 26 August 2025 →

Elevation (degrees)
Time
Altitude
Azimuth
Shift the map to change the time and observe Rasalhague changing position in the night sky.

Where is Rasalhague right now?

Rasalhague is located in the constellation Ophiuchus, at right ascension 17h 34m 56s" and declination 12° 33' 36s. Although it is currently above the horizon at an altitude of 32 degrees, Rasalhague is not visible because it is daytime.

Finder Chart for Rasalhague

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Object nameRasalhague
Field of view
Limiting magnitude
Rasalhague coordinates17.582241, 12.560035000000001
Center coordinates17.582241, 12.560035000000001

Rasalhague Passage Through Night

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Current position of Rasalhague

Time16:56
Latitude39.9625
Longitude-83.0061
Rasalhague elevation32°
Rasalhague Azimuth-101°
Here you can see the current position of the Rasalhague on the map, as well as its positions for rise and set. This tool allows you to track the Rasalhague's movement throughout the night, providing you with accurate and up-to-date information.

Annual motion of Rasalhague

Time
DateTue, 26 August 2025
Twighlight start21:46
Twighlight end05:11
Twighlight duration7h 24m
Rise14:02
Set03:26
Elevation at transit63°
Transit time20:44
Equatorial coordinatesRA: 17h 34m 56s", Dec: 12° 33' 36s
Magnitude2
ConstellationOphiuchus
The graph illustrates the annual visibility pattern of a Rasalhague, 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 Rasalhague 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 Rasalhague

Coordinates & Visibility

Right Ascension17.582241°
Declination12.560035000000001°
Magnitude2.08
ConstellationOphiuchus
Elevation32.2°
Azimuth-101.1°