Sky Tonight
ST
Location settings
GPS
37.8°/-97.8°
GMT -5
Waning23:35 - 05:22
🔎
☰
Sky-Tonight.com / Double Stars / 12289+2555 Star System
  • Tonight
    • Brightest Objects
  • Solar System
    • Sun
    • Moon
    • Planets
    • Mercury
    • Venus
    • Mars
    • Jupiter
    • Saturn
    • Satellite Flyovers
    • ISS
  • Small Bodies
    • Asteroids
    • Comets
  • Stars
    • Brightest Stars
  • Meteor Showers
    • Active Meteor Showers
    • Major Meteor Showers
  • Solar Eclipses
    • Future Solar Eclipses
    • Past Solar Eclipses
  • Deep Sky Objects
    • Spring Nebulae
    • Messier Objects
    • Nebulae
    • Star Clusters
    • Galaxies
  • Double Stars
    • Naked-Eye
    • Binocular
    • Physical
    • Color-Contrasting
    • Triple Star Systems
    • Multiple Star Systems
  • Constellations
    • Visible Tonight
    • Seasonal
    • Ecliptic
    • All 88 Constellations
  • Maps
    • Lunar map
    • Mars map
    • Mercury map
    • Eatrh
    • Cloud Cover Map

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:
Timezone:
Latitude:
37.751
Longitude:
-97.822

Double Star 12289+2555 Observation Details

12289+2555

12289+2555 Daily Motion


12289+2555 will be visible until August, 9, 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.

12289+2555 Visibility Timetable on May 09

12289+2555 Rise and Set Timetable

TimeElevation
12289+2555 rise15:24
Moon Rise, 87.7% illuminated17:0017°
Sunset20:2757°
Civil sunset20:5763°
Astrosession begin22:1075°
12289+2555 transit22:5178°
Astrosession end04:4417°
Moon Set04:4716°
Civil sunrise05:573°
12289+2555 set06:18

Track 12289+2555 Position Throughout the Night

← Fri, 9 May 2025 →

Elevation (degrees)
Time
Altitude
Azimuth
Shift the map to change the time and observe 12289+2555 changing position in the night sky.

12289+2555 Star System Description

12289+2555 is 7-star Star System located in constellation Coma Berenices at coordinates RA: 12h 28m 54s", Dec: 25° 54' 46s.
The primary component has a magnitude of 5.23, while the secondary component has a magnitude of 6.64. They are separated by 2.4 arcminutes at a position angle of 251 degrees. The brightness difference between the two components is 1.41 magnitudes, with the primary component being approximately 3.7 times brighter than the secondary.
Below is a table with star system details from the Washington Double Star (WDS) Catalog. This catalog is a comprehensive source of information on double and multiple star systems, providing key data on the positions, magnitudes, and separations of stellar components.

Technical Details of Star System 12289+2555

Property Value
Star System Identifier 12289+2555
System Type 7-star Star System
Primary Star AI Com
Right Ascension (RA) 12.48186 (12h 28m 54s")
Declination (Dec) 25.91289 (25° 54' 46s)
Magnitude (Primary) 5.23
Magnitude (Secondary) 6.64
Spectral Type (Primary/Secondary) A0p
Separation (Arcseconds) 145.3
Position Angle 251°
Discovery Year 1836
Last Observed 2018
Primary Proper Motion (Ra, Dec) -022-016
Secondary Proper Motion (Ra, Dec) -020-016
Number of Observations 49

12289+2555 Components

ComponentMagnitudeSeparation (arcseconds)Position Angle
AB6.64145.3251
AD11.63326.0270
AE13.60446.7270
AF13.92126.0145
BC13.71.8157
BD11.63194.4285

The data presented in this table is sourced from the Washington Double Star (WDS) Catalog, a comprehensive repository of double and multiple star system information maintained by the U.S. Naval Observatory. We thank the WDS team for their continued efforts in providing accurate and detailed astronomical data.

Finder Chart for AI Com

Double-click to unlock the map.
Object name12289+2555
Field of view
Limiting magnitude
12289+2555 coordinates12.48186, 25.91289
Center coordinates12.48186, 25.91289

12289+2555 Passage Through Night

Double-click to unlock the map.

Current position of 12289+2555

Time23:35
Latitude37.751
Longitude-97.822
12289+2555 elevation75°
12289+2555 Azimuth139°
Here you can see the current position of the 12289+2555 on the map, as well as its positions for rise and set. This tool allows you to track the 12289+2555's movement throughout the night, providing you with accurate and up-to-date information.

Annual motion of 12289+2555

Time
DateSat, 10 May 2025
Twighlight start22:11
Twighlight end04:42
Twighlight duration7h 31m
Rise15:20
Set06:14
Elevation at transit78°
Transit time22:47
Equatorial coordinatesRA: 12h 28m 54s", Dec: 25° 54' 46s
Magnitude5
ConstellationComa Berenices
The graph illustrates the annual visibility pattern of a 12289+2555, 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 12289+2555 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.