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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 06451-1643 Observation Details

06451-1643

06451-1643 Daily Motion


06451-1643 will be visible until April, 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.

06451-1643 Visibility Timetable on October 17

06451-1643 Rise and Set Timetable

TimeElevation
Moon Rise, 23.5% illuminated00:3415°
Moon Set14:22-59°
Astrosession begin17:55-59°
06451-1643 rise23:01
Astrosession end03:5136°
06451-1643 transit04:0736°
Civil sunrise04:5135°
Sunrise05:1933°
06451-1643 set09:13

Track 06451-1643 Position Throughout the Night

← Fri, 17 October 2025 →

Elevation (degrees)
Time
Altitude
Azimuth
Shift the map to change the time and observe 06451-1643 changing position in the night sky.

Where is 06451-1643 right now?

06451-1643 is located in the constellation Canis Major, at right ascension 06h 45m 08s" and declination -16° 42' 57s. Although it is currently above the horizon at an altitude of 12 degrees, 06451-1643 is not visible because it is daytime.

06451-1643 Star System Description

06451-1643 is 7-star Star System located in constellation Canis Major at coordinates RA: 06h 45m 08s", Dec: -16° 42' 57s.
The primary component has a magnitude of -1.47, while the secondary component has a magnitude of 8.44. They are separated by 10.2 arcseconds at a position angle of 85 degrees. The brightness difference between the two components is 9.91 magnitudes, with the primary component being approximately 9204.5 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 06451-1643

Property Value
Star System Identifier 06451-1643
System Type 7-star Star System
Primary Star Sirius
Right Ascension (RA) 6.75247 (06h 45m 08s")
Declination (Dec) -16.71611 (-16° 42' 57s)
Magnitude (Primary) -1.47
Magnitude (Secondary) 8.44
Spectral Type (Primary/Secondary) A1Vm+DA2
Separation (Arcseconds) 10.2
Position Angle 85°
Discovery Year 1862
Last Observed 2022
Primary Proper Motion (Ra, Dec) -055-122
Secondary Proper Motion (Ra, Dec) -055-122
Number of Observations 2063

06451-1643 Components

ComponentMagnitudeSeparation (arcseconds)Position Angle
AB8.4410.285
AC12.664.530
AD14.044.3170
AE14.560.0120
AF13.8104.0159
BC12.60.8231

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 Sirius

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Object name06451-1643
Field of view
Limiting magnitude
06451-1643 coordinates6.75247, -16.71611
Center coordinates6.75247, -16.71611

06451-1643 Passage Through Night

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Current position of 06451-1643

Time08:09
Latitude37.3541
Longitude-121.955
06451-1643 elevation12°
06451-1643 Azimuth122°
Here you can see the current position of the 06451-1643 on the map, as well as its positions for rise and set. This tool allows you to track the 06451-1643's movement throughout the night, providing you with accurate and up-to-date information.

Annual motion of 06451-1643

Time
DateFri, 17 October 2025
Twighlight start17:51
Twighlight end03:44
Twighlight duration10h 53m
Rise23:01
Set09:13
Elevation at transit36°
Transit time04:07
Equatorial coordinatesRA: 06h 45m 08s", Dec: -16° 42' 57s
Magnitude-1
ConstellationCanis Major
The graph illustrates the annual visibility pattern of a 06451-1643, 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 06451-1643 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 06451-1643

Coordinates & Visibility

Right Ascension6.75247°
Declination-16.71611°
Magnitude-1.47
ConstellationCanis Major
Elevation12.2°
Azimuth122.4°