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Sky-Tonight.com / Double stars / 09291-0246 star system
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Observation Settings

Or select it on the map:
This Earth map lets you select the observer’s location used to calculate the bearing and elevation of celestial objects. The selected point determines how the sky, rise and set times, and object positions are shown.
Your location: Santa Clara, United States
Timezone:
Latitude:
37.3541
Longitude:
-121.955

09291-0246 Position and Visibility Tonight

09291-0246

Where is 09291-0246 right now?

09291-0246 is located in the constellation Hydra. It is currently above the horizon at an altitude of 31° toward the south-east, with an apparent magnitude of 4.64.
Twilight begins at 03:49 local time. At that moment, 09291-0246 will be 31° above the horizon toward the south-east.
Open the interactive guide to 09291-0246’s position and path tonight

09291-0246 visibility on 2026-10-16

09291-0246 Visible from early morning until sunrise

09291-0246 rise and set timetable

TimeElevation
09291-0246 transit07:0050°
Moonrise, 18% illuminated 10:2628°
09291-0246 set12:50
Astronomical observing session begins17:57-53°
Moonset19:34-54°
09291-0246 rise01:05
Astronomical observing session ends03:5031°
Twilight end (−12°)04:2036°
Civil sunrise04:5040°
Sunrise05:1844°

Track 09291-0246 position throughout the night

← 16 October 2026 →

Elevation (degrees)
Time
Altitude
Azimuth
Shift the map to change the time and observe 09291-0246 changing position in the night sky.

Star system description: 09291-0246

System 09291-0246 — double star system, is located in the constellation Hydra, at coordinates RA: 09h 29m 08s", Dec: -2° 46' 08s.
The primary and secondary magnitudes are 4.64 and 7.28. Their separation is 1 arcminute, at position angle 359°. The magnitude difference is 2.64 magnitudes; the primary is approximately 11.4 times brighter.
The primary is yellow-white; the secondary is orange.
The following technical data come from the Washington Double Star Catalog.

Technical details: 09291-0246

Property Value
System identifier 09291-0246
System type double star system
Primary star tau 1 Hya
Right ascension (RA) 9.48578 (09h 29m 08s")
Declination (Dec) -2.76894 (-2° 46' 08s)
Primary magnitude 4.64
Secondary magnitude 7.28
Spectral type (primary/secondary) F6V+K0 (yellow-white/orange)
Separation (arcseconds) 61.7
Position angle 359°
Discovery year 1782
Last observed 2016
Primary proper motion (RA, Dec) +099-003
Secondary proper motion (RA, Dec) +142-017
Number of observations 47

Notes

  • V: Proper motion indicates a physical pair.
  • Data source: Washington Double Star (WDS) Catalog. Maintained by the U.S. Naval Observatory; thanks to the WDS team.

    Finder Chart for 09291-0246

    Double-click to unlock the map.
    Object name09291-0246
    Field of view
    Limiting magnitude
    09291-0246 coordinates9.48578, -2.76894
    Center coordinates9.48578, -2.76894

    09291-0246 Passage Through Night

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    Current position of 09291-0246

    Time03:49
    Latitude37.3541
    Longitude-121.955
    Elevation31°
    Azimuth122°
    Here you can see the current position of 09291-0246 on the map, as well as its positions for rise and set. This tool lets you track its movement throughout the night with accurate, up-to-date information.

    When Is 09291-0246 Visible Throughout the Year?

    09291-0246 will remain visible until May 29, when it moves too close to the Sun and temporarily disappears from the night sky. Time
    DateSat, 17 October 2026
    Astronomical observing session begins17:51
    Astronomical observing session ends03:44
    Astronomical observing duration10h 53m
    Rise01:01
    Set12:42
    Elevation at transit50°
    Transit time06:52
    Equatorial coordinatesRA: 09h 29m 08s", Dec: -2° 46' 08s
    Magnitude5
    ConstellationHydra
    The graph illustrates the annual visibility pattern of 09291-0246, including its daily appearances and transit times. The vertical axis shows the hours of the day and the horizontal axis spans the year. The reddish area marks when the object is above the horizon, while the white line marks its daily transit.
    You can also see when 09291-0246 is visible throughout the year in a table with exact rise, transit, and set times for each date.

    Astrometric and Physical Parameters of 09291-0246

    Coordinates and Visibility

    Right Ascension09h 29m 09s
    Declination-2° 46′ 08″
    Magnitude4.64
    ConstellationHydra
    Elevation31°
    Azimuth121.9°