02422+4012 Position and Visibility Tonight
Where is 02422+4012 right now?
02422+4012 is located in the constellation Perseus. It is currently above the horizon at an altitude of 87° toward the north-west, with an apparent magnitude of 5.5.
02422+4012 visibility on 2026-08-21
02422+4012 Visible from early morning until sunrise
02422+4012 rise and set timetable
| Time | Elevation | |
Moonrise, 49% illuminated  | 12:56 | -2° |
| 02422+4012 rise | 19:11 | |
| Astronomical observing session begins | 19:27 | 2° |
| Moonset | 22:12 | 27° |
| Astronomical observing session ends | 02:54 | 79° |
| Twilight end | 03:29 | 85° |
| 02422+4012 transit | 03:50 | 87° |
| Civil sunrise | 04:01 | 86° |
| Sunrise | 04:30 | 82° |
Track 02422+4012 Position Throughout the Night
← 21 August 2026 →
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Star system description: 02422+4012
System 02422+4012 — double star system, is located in the constellation Perseus, at coordinates RA: 02h 42m 14s", Dec: 40° 11' 39s.
The primary and secondary magnitudes are 5.5 and 5.9. Their separation is 0.1 arcseconds, at position angle 309°. The magnitude difference is 0.4 magnitudes; the primary is approximately 1.4 times brighter.
The following technical data come from the Washington Double Star Catalog.
The primary and secondary magnitudes are 5.5 and 5.9. Their separation is 0.1 arcseconds, at position angle 309°. The magnitude difference is 0.4 magnitudes; the primary is approximately 1.4 times brighter.
The following technical data come from the Washington Double Star Catalog.
Technical details: 02422+4012
| Property | Value |
|---|---|
| System identifier | 02422+4012 |
| System type | double star system |
| Primary star | 12 Per |
| Right ascension (RA) | 2.70414 (02h 42m 14s") |
| Declination (Dec) | 40.19439 (40° 11' 39s) |
| Primary magnitude | 5.5 |
| Secondary magnitude | 5.9 |
| Spectral type (primary/secondary) | F9V |
| Separation (arcseconds) | 0.1 |
| Position angle | 309° |
| Discovery year | 1973 |
| Last observed | 2016 |
| Primary proper motion (RA, Dec) | -019-186 |
| Secondary proper motion (RA, Dec) | |
| Number of observations | 63 |
Data source: Washington Double Star (WDS) Catalog. Maintained by the U.S. Naval Observatory; thanks to the WDS team.
Finder Chart for 12 Per
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| Object name | 12 Per |
| Field of view | |
| Limiting magnitude | |
| 12 Per coordinates | 2.70414, 40.19439 |
| Center coordinates | 2.70414, 40.19439 |
02422+4012 Passage Through Night
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Current position of 02422+4012
| Time | 03:58 |
| Latitude | 37.3541 |
| Longitude | -121.955 |
| Elevation | 87° |
| Azimuth | 346° |
Here you can see the current position of 02422+4012 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 02422+4012
02422+4012 will remain visible until April 3, when it moves too close to the Sun and temporarily disappears from the night sky.
| Date | Fri, 21 August 2026 |
| Twilight start | 19:23 |
| Twilight end | 02:48 |
| Twilight duration | 7h 25m |
| Rise | 19:11 |
| Set | 12:29 |
| Elevation at transit | 87° |
| Transit time | 03:50 |
| Equatorial coordinates | RA: 02h 42m 14s", Dec: 40° 11' 39s |
| Magnitude | 6 |
| Constellation | Perseus |
The graph illustrates the annual visibility pattern of 02422+4012, 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 02422+4012
Coordinates and Visibility
| Right Ascension | 2.70414° |
| Declination | 40.19439° |
| Magnitude | 5.5 |
| Constellation | Perseus |
| Elevation | 87.1° |
| Azimuth | 345.8° |