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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: Santa Clara, United States
Timezone:
Latitude:
37.3541
Longitude:
-121.955

Rasalhague Position and Visibility Tonight

Rasalhague

Where is Rasalhague right now?

Rasalhague is located in the constellation Ophiuchus. At the current time, it is above the horizon at an altitude of 12 degrees toward the west from your location, with an apparent magnitude of 2.08.
Twilight begins at 20:31 local time, and at that moment, Rasalhague will appear at an altitude of 12 degrees toward the west.

Rasalhague Visibility on April 30

Rasalhague is visible in the early morning sky until sunrise

Rasalhague Rise and Set Timetable

TimeElevation
Moon Rise, 97.1% illuminated 16:23-31°
Rasalhague rise19:31
Astrosession begin19:330°
Rasalhague transit02:0965°
Astrosession end02:3664°
Twighlight end03:1261°
Moon Set03:2360°
Civil sunrise03:4557°
Sunrise04:1552°
Rasalhague set08:47

Track Rasalhague Position Throughout the Night

← Thu, 30 April 2026 →

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

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

Time20:31
Latitude37.3541
Longitude-121.955
Rasalhague elevation12°
Rasalhague Azimuth-83°
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


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.
Time
DateFri, 1 May 2026
Twighlight start19:33
Twighlight end02:33
Twighlight duration7h 60m
Rise19:27
Set08:43
Elevation at transit65°
Transit time02:05
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.
You can also view detailed visibility information in a dedicated table, including exact rise, transit, and set times for each date.

Astrometric & Physical Parameters of Rasalhague

Coordinates & Visibility

Right Ascension17.582241°
Declination12.560035000000001°
Magnitude2.08
ConstellationOphiuchus
Elevation11.8°
Azimuth-83.1°