21193 5837 Position and Visibility Tonight
Where is 21193+5837 right now?
21193+5837 is located in the constellation Cepheus. It is currently above the horizon at an altitude of 41° toward the north-west, with an apparent magnitude of 5.90.
Twilight begins at 00:45 local time. At that moment, 21193+5837 will be 41° above the horizon toward the north-west.
Twilight begins at 00:45 local time. At that moment, 21193+5837 will be 41° above the horizon toward the north-west.
21193+5837 visibility on 2026-09-27
21193+5837 Visible all night
21193+5837 rise and set timetable
| Time | Elevation | |
| 21193+5837 is always above the horizon | ||
Moonrise, 99.8% illuminated  | 16:51 | 53° |
| Sunset | 16:57 | 53° |
| Civil sunset | 17:24 | 57° |
| Twilight start (−12°) | 17:54 | 60° |
| Astronomical observing session begins | 18:25 | 63° |
| 21193+5837 is always above the horizon | ||
| 21193+5837 transit | 20:03 | 69° |
| Astronomical observing session ends | 03:33 | 21° |
| Twilight end (−12°) | 04:03 | 18° |
| Civil sunrise | 04:34 | 15° |
| Sunrise | 05:01 | 13° |
| Moonset | 06:07 | 9° |
Track 21193+5837 position throughout the night
← 27 September 2026 →
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Shift the map to change the time and observe 21193+5837 changing position in the night sky.
Star system description: 21193+5837
System 21193+5837 — 5-star system, is located in the constellation Cepheus, at coordinates RA: 21h 19m 15s", Dec: 58° 37' 24s.
The primary and secondary magnitudes are 5.90 and 9.27. Their separation is 3 arcseconds, at position angle 35°. The magnitude difference is 3.37 magnitudes; the primary is approximately 22.3 times brighter.
The primary is red; the secondary is blue-white.
The following technical data come from the Washington Double Star Catalog.
The primary and secondary magnitudes are 5.90 and 9.27. Their separation is 3 arcseconds, at position angle 35°. The magnitude difference is 3.37 magnitudes; the primary is approximately 22.3 times brighter.
The primary is red; the secondary is blue-white.
The following technical data come from the Washington Double Star Catalog.
Technical details: 21193+5837
| Property | Value |
|---|---|
| System identifier | 21193+5837 |
| System type | 5-star system |
| Primary star | Cep-21193 5837 |
| Right ascension (RA) | 21.321 (21h 19m 15s") |
| Declination (Dec) | 58.6235 (58° 37' 24s) |
| Primary magnitude | 5.90 |
| Secondary magnitude | 9.27 |
| Spectral type (primary/secondary) | M1I+B2+B3 (red/blue-white) |
| Separation (arcseconds) | 3 |
| Position angle | 35° |
| Discovery year | 1981 |
| Last observed | 2006 |
| Primary proper motion (RA, Dec) | -004-003 |
| Secondary proper motion (RA, Dec) | |
| Number of observations | 29 |
Components of 21193+5837
| Component | Magnitude | Separation (arcseconds) | Position angle |
| AB | 9.27 | 3 | 35 |
| Aa,Ab | 7.42 | 0.1 | 120 |
| AC | 15.2 | 15.4 | 183 |
| AD | 10.07 | 74.5 | 351 |
Data source: Washington Double Star (WDS) Catalog. Maintained by the U.S. Naval Observatory; thanks to the WDS team.
Finder Chart for 21193+5837
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| Object name | 21193+5837 |
| Field of view | |
| Limiting magnitude | |
| 21193+5837 coordinates | 21.321, 58.6235 |
| Center coordinates | 21.321, 58.6235 |
21193 5837 Passage Through Night
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Current position of 21193 5837
| Time | 00:45 |
| Latitude | 37.3541 |
| Longitude | -121.955 |
| Elevation | 41° |
| Azimuth | 319° |
Here you can see the current position of 21193 5837 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 21193 5837 Visible Throughout the Year?
21193+5837 will be visible throughout the entire year. Its position changes by about 63°. Use the annual motion section to find when 21193+5837 reaches its highest elevation.
| Date | Mon, 28 September 2026 |
| Astronomical observing session begins | 18:19 |
| Astronomical observing session ends | 03:27 |
| Astronomical observing duration | 9h 8m |
| Rise | 21193 5837 is always up |
| Set | 21193 5837 is always up |
| Elevation at transit | 69° |
| Transit time | 19:59 |
| Equatorial coordinates | RA: 21h 19m 15s", Dec: 58° 37' 24s |
| Magnitude | 6 |
| Constellation | Cepheus |
The graph illustrates the annual visibility pattern of 21193 5837, 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 21193 5837 is visible throughout the year in a table with exact rise, transit, and set times for each date.
You can also see when 21193 5837 is visible throughout the year in a table with exact rise, transit, and set times for each date.
Astrometric and Physical Parameters of 21193+5837
Coordinates and Visibility
| Right Ascension | 21h 19m 16s |
| Declination | 58° 37′ 25″ |
| Magnitude | 5.9 |
| Constellation | Cepheus |
| Elevation | 40.8° |
| Azimuth | 319.5° |