19307+2758 Position and Visibility Tonight
Where is 19307+2758 right now?
19307+2758 is located in the constellation Cygnus. It is currently above the horizon at an altitude of 49° toward the west, with an apparent magnitude of 3.37.
Twilight begins at 22:22 local time. At that moment, 19307+2758 will be 49° above the horizon toward the west.
Twilight begins at 22:22 local time. At that moment, 19307+2758 will be 49° above the horizon toward the west.
19307+2758 visibility on 2026-09-13
19307+2758 Visible from sunset until early morning
19307+2758 rise and set timetable
| Time | Elevation | |
Moonrise, 0.9% illuminated  | 06:27 | -24° |
| 19307+2758 rise | 11:35 | |
| Sunset | 17:18 | 65° |
| Civil sunset | 17:46 | 70° |
| Moonset | 17:59 | 73° |
| Twilight start (−12°) | 18:16 | 75° |
| Astronomical observing session begins | 18:48 | 80° |
| 19307+2758 transit | 19:09 | 81° |
| 19307+2758 set | 02:44 | |
| Astronomical observing session ends | 03:19 | -6° |
Track 19307+2758 position throughout the night
← 13 September 2026 →
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Star system description: 19307+2758
System 19307+2758 — 15-star system, is located in the constellation Cygnus, at coordinates RA: 19h 30m 43s", Dec: 27° 57' 34s.
The primary and secondary magnitudes are 3.37 and 4.68. Their separation is 34.2 arcseconds, at position angle 58°. The magnitude difference is 1.31 magnitudes; the primary is approximately 3.3 times brighter.
The primary is orange; the secondary is blue-white.
The following technical data come from the Washington Double Star Catalog.
The primary and secondary magnitudes are 3.37 and 4.68. Their separation is 34.2 arcseconds, at position angle 58°. The magnitude difference is 1.31 magnitudes; the primary is approximately 3.3 times brighter.
The primary is orange; the secondary is blue-white.
The following technical data come from the Washington Double Star Catalog.
Technical details: 19307+2758
| Property | Value |
|---|---|
| System identifier | 19307+2758 |
| System type | 15-star system |
| Primary star | bet 1 Cyg |
| Right ascension (RA) | 19.512 (19h 30m 43s") |
| Declination (Dec) | 27.95969 (27° 57' 34s) |
| Primary magnitude | 3.37 |
| Secondary magnitude | 4.68 |
| Spectral type (primary/secondary) | K3II+B9.5 (orange/blue-white) |
| Separation (arcseconds) | 34.2 |
| Position angle | 58° |
| Discovery year | 1978 |
| Last observed | 1995 |
| Primary proper motion (RA, Dec) | -002-001 |
| Secondary proper motion (RA, Dec) | -002-001 |
| Number of observations | 2 |
Components of 19307+2758
| Component | Magnitude | Separation (arcseconds) | Position angle |
| AB | 4.68 | 34.2 | 58 |
| Aa,Ab | 5. | 0.1 | 163 |
| Aa,Ac | 5.16 | 0.4 | 186 |
| AC | 10.99 | 50.0 | 340 |
| AD | 12.24 | 107.9 | 33 |
| AE | 11.81 | 76.6 | 207 |
| AF | 12. | 58.4 | 45 |
| AG | 12.5 | 161.6 | 45 |
| AH | 12.5 | 54.0 | 119 |
| AI | 12.5 | 37.5 | 132 |
| AJ | 10. | 139.7 | 210 |
| AK | 11.5 | 142.8 | 277 |
| AL | 11.5 | 12.0 | 269 |
| Ba,Bb | 9.2 | -1.0 | -1 |
Data source: Washington Double Star (WDS) Catalog. Maintained by the U.S. Naval Observatory; thanks to the WDS team.
Finder Chart for 19307+2758
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| Object name | 19307+2758 |
| Field of view | |
| Limiting magnitude | |
| 19307+2758 coordinates | 19.512, 27.95969 |
| Center coordinates | 19.512, 27.95969 |
19307+2758 Passage Through Night
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Current position of 19307+2758
| Time | 22:22 |
| Latitude | 37.3541 |
| Longitude | -121.955 |
| Elevation | 49° |
| Azimuth | 271° |
Here you can see the current position of 19307+2758 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 19307+2758 Visible Throughout the Year?
19307+2758 will remain visible until December 29, when it moves too close to the Sun and temporarily disappears from the night sky.
| Date | Mon, 14 September 2026 |
| Astronomical observing session begins | 18:46 |
| Astronomical observing session ends | 03:18 |
| Astronomical observing duration | 9h 32m |
| Rise | 11:31 |
| Set | 02:40 |
| Elevation at transit | 81° |
| Transit time | 19:05 |
| Equatorial coordinates | RA: 19h 30m 43s", Dec: 27° 57' 34s |
| Magnitude | 3 |
| Constellation | Cygnus |
The graph illustrates the annual visibility pattern of 19307+2758, 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 19307+2758 is visible throughout the year in a table with exact rise, transit, and set times for each date.
You can also see when 19307+2758 is visible throughout the year in a table with exact rise, transit, and set times for each date.
Astrometric and Physical Parameters of 19307+2758
Coordinates and Visibility
| Right Ascension | 19h 30m 43s |
| Declination | 27° 57′ 35″ |
| Magnitude | 3.37 |
| Constellation | Cygnus |
| Elevation | 48.8° |
| Azimuth | 271.4° |