21221+1948 Position and Visibility Tonight
Where is 21221+1948 right now?
21221+1948 is located in the constellation Pegasus. It is currently above the horizon at an altitude of 26° toward the west, with an apparent magnitude of 4.20.
Twilight begins at 03:23 local time. At that moment, 21221+1948 will be 26° above the horizon toward the west.
Twilight begins at 03:23 local time. At that moment, 21221+1948 will be 26° above the horizon toward the west.
21221+1948 visibility on 2026-08-20
21221+1948 Visible from sunset until before midnight
21221+1948 rise and set timetable
| Time | Elevation | |
Moonrise, 39.4% illuminated  | 11:55 | -30° |
| 21221+1948 rise | 15:32 | |
| Sunset | 17:53 | 27° |
| Civil sunset | 18:21 | 33° |
| Twilight start | 18:54 | 39° |
| Astronomical observing session begins | 19:29 | 46° |
| Moonset | 21:31 | 68° |
| 21221+1948 transit | 22:35 | 72° |
| Astronomical observing session ends | 02:53 | 32° |
| Twilight end | 03:28 | 25° |
| Civil sunrise | 04:01 | 18° |
| Sunrise | 04:29 | 13° |
| 21221+1948 set | 05:37 |
Track 21221+1948 Position Throughout the Night
← 20 August 2026 →
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Star system description: 21221+1948
System 21221+1948 — quadruple star system, is located in the constellation Pegasus, at coordinates RA: 21h 22m 05s", Dec: 19° 48' 15s.
The primary and secondary magnitudes are 4.20 and 9.3. Their separation is 37.1 arcseconds, at position angle 308°. The magnitude difference is 5.1 magnitudes; the primary is approximately 109.6 times brighter.
Both components are orange.
The following technical data come from the Washington Double Star Catalog.
The primary and secondary magnitudes are 4.20 and 9.3. Their separation is 37.1 arcseconds, at position angle 308°. The magnitude difference is 5.1 magnitudes; the primary is approximately 109.6 times brighter.
Both components are orange.
The following technical data come from the Washington Double Star Catalog.
Technical details: 21221+1948
| Property | Value |
|---|---|
| System identifier | 21221+1948 |
| System type | quadruple star system |
| Primary star | 1 Peg |
| Right ascension (RA) | 21.36808 (21h 22m 05s") |
| Declination (Dec) | 19.80436 (19° 48' 15s) |
| Primary magnitude | 4.20 |
| Secondary magnitude | 9.3 |
| Spectral type (primary/secondary) | K1III+K0V (orange/orange) |
| Separation (arcseconds) | 37.1 |
| Position angle | 308° |
| Discovery year | 1780 |
| Last observed | 2020 |
| Primary proper motion (RA, Dec) | +105+063 |
| Secondary proper motion (RA, Dec) | +119+056 |
| Number of observations | 85 |
Components of 21221+1948
| Component | Magnitude | Separation (arcseconds) | Position angle |
| AB | 9.3 | 37.1 | 308 |
| AC | 12.9 | 75.7 | 20 |
| AD | 9.6 | 4.4 | 142 |
Data source: Washington Double Star (WDS) Catalog. Maintained by the U.S. Naval Observatory; thanks to the WDS team.
Finder Chart for 1 Peg
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| Object name | 1 Peg |
| Field of view | |
| Limiting magnitude | |
| 1 Peg coordinates | 21.36808, 19.80436 |
| Center coordinates | 21.36808, 19.80436 |
21221+1948 Passage Through Night
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Current position of 21221+1948
| Time | 03:23 |
| Latitude | 37.3541 |
| Longitude | -121.955 |
| Elevation | 26° |
| Azimuth | 276° |
Here you can see the current position of 21221+1948 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 21221+1948
21221+1948 will remain visible until January 17, 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 | 15:28 |
| Set | 05:34 |
| Elevation at transit | 72° |
| Transit time | 22:31 |
| Equatorial coordinates | RA: 21h 22m 05s", Dec: 19° 48' 15s |
| Magnitude | 4 |
| Constellation | Pegasus |
The graph illustrates the annual visibility pattern of 21221+1948, 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 21221+1948
Coordinates and Visibility
| Right Ascension | 21.36808° |
| Declination | 19.80436° |
| Magnitude | 4.20 |
| Constellation | Pegasus |
| Elevation | 25.7° |
| Azimuth | 276.1° |