Double Star 03009+5221 Observation Details
03009+5221 Daily Motion
03009+5221 will be visible until April, 13, 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.
03009+5221 Visibility Timetable on October 08
03009+5221 Rise and Set Timetable
| Time | Elevation | |
| 03009+5221 rise | 13:34 | |
| Sunset | 16:40 | 12° |
| Moon Rise, 98.7% illuminated | 16:55 | 13° |
| Civil sunset | 17:07 | 14° |
| Astrosession begin | 18:07 | 22° |
| 03009+5221 transit | 00:59 | 75° |
| Astrosession end | 03:43 | 58° |
| Civil sunrise | 04:43 | 49° |
| Sunrise | 05:11 | 44° |
| Moon Set | 07:05 | 28° |
Track 03009+5221 Position Throughout the Night
← Wed, 8 October 2025 →
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Shift the map to change the time and observe 03009+5221 changing position in the night sky.
Where is 03009+5221 right now?
03009+5221 is located in the constellation Perseus, at right ascension 03h 00m 52s" and declination 52° 21' 06s. At the current time, it is above the horizon at an altitude of 66 degrees toward the northeast from your location, with an apparent magnitude of 5.21.03009+5221 Star System Description
03009+5221 is Double Star System located in constellation Perseus at coordinates RA: 03h 00m 52s", Dec: 52° 21' 06s.
The primary component has a magnitude of 5.21, while the secondary component has a magnitude of 6.17. They are separated by 14.1 arcseconds at a position angle of 90 degrees. The brightness difference between the two components is 0.96 magnitudes, with the primary component being approximately 2.4 times brighter than the secondary.
The primary and secondary stars are both blue-white in color
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.
The primary component has a magnitude of 5.21, while the secondary component has a magnitude of 6.17. They are separated by 14.1 arcseconds at a position angle of 90 degrees. The brightness difference between the two components is 0.96 magnitudes, with the primary component being approximately 2.4 times brighter than the secondary.
The primary and secondary stars are both blue-white in color
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 03009+5221
| Property | Value |
|---|---|
| Star System Identifier | 03009+5221 |
| System Type | Double Star System |
| Primary Star | Per-03009 5221 |
| Right Ascension (RA) | 3.01447 (03h 00m 52s") |
| Declination (Dec) | 52.35181 (52° 21' 06s) |
| Magnitude (Primary) | 5.21 |
| Magnitude (Secondary) | 6.17 |
| Spectral Type (Primary/Secondary) | B7V+B9V (blue-white/blue-white) |
| Separation (Arcseconds) | 14.1 |
| Position Angle | 90° |
| Discovery Year | 1793 |
| Last Observed | 2019 |
| Primary Proper Motion (Ra, Dec) | +031-022 |
| Secondary Proper Motion (Ra, Dec) | +032-021 |
| Number of Observations | 82 |
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
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| Object name | 03009+5221 |
| Field of view | |
| Limiting magnitude | |
| 03009+5221 coordinates | 3.01447, 52.35181 |
| Center coordinates | 3.01447, 52.35181 |
03009+5221 Passage Through Night
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Current position of 03009+5221
| Time | 02:49 |
| Latitude | 37.3541 |
| Longitude | -121.955 |
| 03009+5221 elevation | 66° |
| 03009+5221 Azimuth | 43° |
Here you can see the current position of the 03009+5221 on the map, as well as its positions for rise and set. This tool allows you to track the 03009+5221's movement throughout the night, providing you with accurate and up-to-date information.
Annual motion of 03009+5221
| Date | Thu, 9 October 2025 |
| Twighlight start | 18:02 |
| Twighlight end | 03:37 |
| Twighlight duration | 10h 35m |
| Rise | 13:30 |
| Set | 12:20 |
| Elevation at transit | 75° |
| Transit time | 00:55 |
| Equatorial coordinates | RA: 03h 00m 52s", Dec: 52° 21' 06s |
| Magnitude | 5 |
| Constellation | Perseus |
The graph illustrates the annual visibility pattern of a 03009+5221, 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 03009+5221 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.
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 03009+5221 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 03009+5221
Coordinates & Visibility
| Right Ascension | 3.01447° |
| Declination | 52.35181° |
| Magnitude | 5.21 |
| Constellation | Perseus |
| Elevation | 65.7° |
| Azimuth | 43.2° |