03009+5221 Position and Visibility Tonight
Where is 03009+5221 right now?
03009+5221 is located in the constellation Perseus. Although 03009+5221 is currently 70° above the horizon, it is not visible because it is daytime.
Twilight begins at 18:57 local time. At that moment, 03009+5221 will be 6° above the horizon toward the north-east.
Twilight begins at 18:57 local time. At that moment, 03009+5221 will be 6° above the horizon toward the north-east.
03009+5221 visibility on 2026-08-18
03009+5221 Visible from sunset until sunrise
03009+5221 rise and set timetable
| Time | Elevation | |
Moonrise, 21% illuminated  | 09:49 | 34° |
| 03009+5221 rise | 16:56 | |
| Sunset | 17:55 | 2° |
| Civil sunset | 18:24 | 4° |
| Twilight start | 18:57 | 6° |
| Astronomical observing session begins | 19:32 | 9° |
| Moonset | 20:26 | 14° |
| Astronomical observing session ends | 02:51 | 68° |
| Twilight end | 03:26 | 72° |
| Civil sunrise | 03:59 | 75° |
| 03009+5221 transit | 04:21 | 75° |
| Sunrise | 04:28 | 75° |
Track 03009+5221 Position Throughout the Night
← 18 August 2026 →
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Star system description: 03009+5221
System 03009+5221 — double star system, is located in the constellation Perseus, at coordinates RA: 03h 00m 52s", Dec: 52° 21' 06s.
The primary and secondary magnitudes are 5.21 and 6.17. Their separation is 14.1 arcseconds, at position angle 90°. The magnitude difference is 0.96 magnitudes; the primary is approximately 2.4 times brighter.
Both components are blue-white.
The following technical data come from the Washington Double Star Catalog.
The primary and secondary magnitudes are 5.21 and 6.17. Their separation is 14.1 arcseconds, at position angle 90°. The magnitude difference is 0.96 magnitudes; the primary is approximately 2.4 times brighter.
Both components are blue-white.
The following technical data come from the Washington Double Star Catalog.
Technical details: 03009+5221
| Property | Value |
|---|---|
| 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) |
| Primary magnitude | 5.21 |
| Secondary magnitude | 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 |
Data source: Washington Double Star (WDS) Catalog. Maintained by the U.S. Naval Observatory; thanks to the WDS team.
Finder Chart for
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| Object name | |
| Field of view | |
| Limiting magnitude | |
| 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 | 05:38 |
| Latitude | 37.3541 |
| Longitude | -121.955 |
| Elevation | 70° |
| Azimuth | 325° |
Here you can see the current position of 03009+5221 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.
Annual motion of 03009+5221
03009+5221 will remain visible until April 13, when it moves too close to the Sun and temporarily disappears from the night sky.
| Date | Tue, 18 August 2026 |
| Twilight start | 19:28 |
| Twilight end | 02:44 |
| Twilight duration | 7h 17m |
| Rise | 16:56 |
| Set | 15:45 |
| Elevation at transit | 75° |
| Transit time | 04:21 |
| Equatorial coordinates | RA: 03h 00m 52s", Dec: 52° 21' 06s |
| Magnitude | 5 |
| Constellation | Perseus |
The graph illustrates the annual visibility pattern of 03009+5221, 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 view detailed visibility information in a table with exact rise, transit, and set times for each date.
You can also view detailed visibility information in a table with exact rise, transit, and set times for each date.
Astrometric and Physical Parameters of 03009+5221
Coordinates and Visibility
| Right Ascension | 3.01447° |
| Declination | 52.35181° |
| Magnitude | 5.21 |
| Constellation | Perseus |
| Elevation | 70.2° |
| Azimuth | 325.3° |