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Sky-Tonight.com / Double Stars / 09205-0933 Star System
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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

Double Star 09205-0933 Observation Details

09205-0933

09205-0933 Daily Motion


09205-0933 will be visible until May, 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.

09205-0933 Visibility Timetable on October 17

09205-0933 Rise and Set Timetable

TimeElevation
Moon Rise, 23.5% illuminated00:34-8°
09205-0933 transit06:4643°
09205-0933 set12:16
Moon Set14:22-25°
Astrosession begin17:55-60°
09205-0933 rise01:13
Astrosession end03:5128°
Civil sunrise04:5136°
Sunrise05:1939°

Track 09205-0933 Position Throughout the Night

← Fri, 17 October 2025 →

Elevation (degrees)
Time
Altitude
Azimuth
Shift the map to change the time and observe 09205-0933 changing position in the night sky.

Where is 09205-0933 right now?

09205-0933 is located in the constellation Hydra, at right ascension 09h 20m 29s" and declination -9° 33' 20s. Although it is currently above the horizon at an altitude of 40 degrees, 09205-0933 is not visible because it is daytime.

09205-0933 Star System Description

09205-0933 is Quadruple Star System located in constellation Hydra at coordinates RA: 09h 20m 29s", Dec: -9° 33' 20s.
The primary component has a magnitude of 4.91, while the secondary component has a magnitude of 7.03. They are separated by 3.8 arcminutes at a position angle of 211 degrees. The brightness difference between the two components is 2.12 magnitudes, with the primary component being approximately 7 times brighter than the secondary.
The primary star is yellow in color, and the secondary star is yellow-white.
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 09205-0933

Property Value
Star System Identifier 09205-0933
System Type Quadruple Star System
Primary Star 27 Hya
Right Ascension (RA) 9.34139 (09h 20m 29s")
Declination (Dec) -9.55564 (-9° 33' 20s)
Magnitude (Primary) 4.91
Magnitude (Secondary) 7.03
Spectral Type (Primary/Secondary) G8III+F4V (yellow/yellow-white)
Separation (Arcseconds) 229.0
Position Angle 211°
Discovery Year 1893
Last Observed 2015
Primary Proper Motion (Ra, Dec) -013-027
Secondary Proper Motion (Ra, Dec) -015-030
Number of Observations 34

09205-0933 Components

ComponentMagnitudeSeparation (arcseconds)Position Angle
AB7.03229.0211
AD16.9124.6236
BC10.999.3196

Notes

  • V: Proper motion or other technique indicates that this pair is physical.
  • 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 27 Hya

    Double-click to unlock the map.
    Object name09205-0933
    Field of view
    Limiting magnitude
    09205-0933 coordinates9.34139, -9.55564
    Center coordinates9.34139, -9.55564

    09205-0933 Passage Through Night

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    Current position of 09205-0933

    Time08:03
    Latitude37.3541
    Longitude-121.955
    09205-0933 elevation40°
    09205-0933 Azimuth155°
    Here you can see the current position of the 09205-0933 on the map, as well as its positions for rise and set. This tool allows you to track the 09205-0933's movement throughout the night, providing you with accurate and up-to-date information.

    Annual motion of 09205-0933

    Time
    DateFri, 17 October 2025
    Twighlight start17:51
    Twighlight end03:44
    Twighlight duration10h 53m
    Rise01:13
    Set12:12
    Elevation at transit43°
    Transit time06:42
    Equatorial coordinatesRA: 09h 20m 29s", Dec: -9° 33' 20s
    Magnitude5
    ConstellationHydra
    The graph illustrates the annual visibility pattern of a 09205-0933, 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 09205-0933 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 09205-0933

    Coordinates & Visibility

    Right Ascension9.34139°
    Declination-9.55564°
    Magnitude4.91
    ConstellationHydra
    Elevation39.7°
    Azimuth154.8°