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Sky-Tonight.com / Double stars / 09287 4536 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

09287+4536 Position and Visibility Tonight

09287 4536

Where is 09287+4536 right now?

09287+4536 is located in the constellation Ursa Major. Although 09287+4536 is currently 66° above the horizon, it is not visible because it is daytime.
Twilight begins at 18:21 local time. At that moment, 09287+4536 will be 2° above the horizon toward the north-west.
Open the interactive guide to 09287+4536’s position and path tonight

09287+4536 visibility on 2026-09-10

09287+4536 Visible from sunset until late evening

09287+4536 rise and set timetable

TimeElevation
Moonrise, 5.8% illuminated 03:0323°
09287+4536 transit09:2182°
Moonset16:4314°
Sunset17:239°
Civil sunset17:505°
Twilight start (−12°)18:212°
09287+4536 set18:44
Astronomical observing session begins18:53-1°
09287+4536 rise23:53
Astronomical observing session ends03:1625°
Twilight end (−12°)03:4830°
Civil sunrise04:1936°
Sunrise04:4740°

Track 09287+4536 position throughout the night

← 10 September 2026 →

Elevation (degrees)
Time
Altitude
Azimuth
Shift the map to change the time and observe 09287+4536 changing position in the night sky.

Star system description: 09287+4536

System 09287+4536 — quadruple star system, is located in the constellation Ursa Major, at coordinates RA: 09h 28m 39s", Dec: 45° 36' 06s.
The primary and secondary magnitudes are 5.50 and 7.80. Their separation is 1.5 arcminute, at position angle 161°. The magnitude difference is 2.3 magnitudes; the primary is approximately 8.3 times brighter.
The following technical data come from the Washington Double Star Catalog.

Technical details: 09287+4536

Property Value
System identifier 09287+4536
System type quadruple star system
Primary star 41 Lyn
Right ascension (RA) 9.47775 (09h 28m 39s")
Declination (Dec) 45.60181 (45° 36' 06s)
Primary magnitude 5.50
Secondary magnitude 7.80
Spectral type (primary/secondary) K0III-IV
Separation (arcseconds) 87.0
Position angle 161°
Discovery year 1800
Last observed 2017
Primary proper motion (RA, Dec) -007-128
Secondary proper motion (RA, Dec) -016-045
Number of observations 50

Components of 09287+4536

ComponentMagnitudeSeparation (arcseconds)Position angle
AB7.8087.0161
AC10.9383.580
BC10.75106.933

Data source: Washington Double Star (WDS) Catalog. Maintained by the U.S. Naval Observatory; thanks to the WDS team.

Finder Chart for 09287+4536

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Object name09287+4536
Field of view
Limiting magnitude
09287+4536 coordinates9.47775, 45.60181
Center coordinates9.47775, 45.60181

09287+4536 Passage Through Night

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Current position of 09287+4536

Time07:19
Latitude37.3541
Longitude-121.955
Elevation66°
Azimuth60°
Here you can see the current position of 09287+4536 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 09287+4536 Visible Throughout the Year?


09287+4536 will become visible again around September 10 after moving far enough from the Sun.
Time
DateThu, 10 September 2026
Astronomical observing session begins18:49
Astronomical observing session ends03:10
Astronomical observing duration8h 21m
Rise23:53
Set18:40
Elevation at transit82°
Transit time09:17
Equatorial coordinatesRA: 09h 28m 39s", Dec: 45° 36' 06s
Magnitude6
ConstellationUrsa Major
The graph illustrates the annual visibility pattern of 09287+4536, 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 09287+4536 is visible throughout the year in a table with exact rise, transit, and set times for each date.

Astrometric and Physical Parameters of 09287+4536

Coordinates and Visibility

Right Ascension09h 28m 40s
Declination45° 36′ 07″
Magnitude5.50
ConstellationUrsa Major
Elevation65.8°
Azimuth60.4°