Double Star 18015+2136 Observation Details
18015+2136 Daily Motion
18015+2136 will rise before twilight begins, at 21:12, and will reach 4° elevation by the time twilight commences at 21:32. It will reach its transit at 74° by 04:23 and gradually fade away as the night ends at 05:22, maintaining an elevation of around 69°.18015+2136 will be visible until December, 4, when it will move too close to the Sun. During this time, its proximity to the Sun will cause it to disappear from the night sky, making it unobservable for a while.
18015+2136 Visibility Timetable on May 09
18015+2136 Rise and Set Timetable
| Time | Elevation | |
| Moon Rise, 87.7% illuminated | 17:00 | -30° |
| 18015+2136 rise | 21:12 | |
| Astrosession begin | 22:10 | 11° |
| 18015+2136 transit | 04:23 | 74° |
| Astrosession end | 04:44 | 73° |
| Moon Set | 04:47 | 73° |
| Civil sunrise | 05:57 | 64° |
| Sunrise | 06:28 | 59° |
| 18015+2136 set | 11:33 |
Track 18015+2136 Position Throughout the Night
← Fri, 9 May 2025 →
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18015+2136 Star System Description
18015+2136 is Double Star System located in constellation Hercules at coordinates RA: 18h 01m 30s", Dec: 21° 35' 44s.
The primary component has a magnitude of 4.85, while the secondary component has a magnitude of 5.20. They are separated by 6.1 arcseconds at a position angle of 266 degrees. The brightness difference between the two components is 0.35 magnitudes, with the primary component being approximately 1.4 times brighter than the secondary.
Below is a table with star system details from the Washington Double Star (WDS) Catalog. This catalog is a comprehensive source of information on double and multiple star systems, providing key data on the positions, magnitudes, and separations of stellar components.
V: Proper motion or other technique indicates that this pair is physical.
The primary component has a magnitude of 4.85, while the secondary component has a magnitude of 5.20. They are separated by 6.1 arcseconds at a position angle of 266 degrees. The brightness difference between the two components is 0.35 magnitudes, with the primary component being approximately 1.4 times brighter than the secondary.
Below is a table with star system details from the Washington Double Star (WDS) Catalog. This catalog is a comprehensive source of information on double and multiple star systems, providing key data on the positions, magnitudes, and separations of stellar components.
Technical Details of Star System 18015+2136
| Property | Value |
|---|---|
| Star System Identifier | 18015+2136 |
| System Type | Double Star System |
| Primary Star | 95 Her |
| Right Ascension (RA) | 18.02511 (18h 01m 30s") |
| Declination (Dec) | 21.59578 (21° 35' 44s) |
| Magnitude (Primary) | 4.85 |
| Magnitude (Secondary) | 5.20 |
| Spectral Type (Primary/Secondary) | A5IIIn |
| Separation (Arcseconds) | 6.1 |
| Position Angle | 266° |
| Discovery Year | 1780 |
| Last Observed | 2023 |
| Primary Proper Motion (Ra, Dec) | +008+040 |
| Secondary Proper Motion (Ra, Dec) | +008+039 |
| Number of Observations | 284 |
Notes
The data presented in this table is sourced from the Washington Double Star (WDS) Catalog, a comprehensive repository of double and multiple star system information maintained by the U.S. Naval Observatory. We thank the WDS team for their continued efforts in providing accurate and detailed astronomical data.
Finder Chart for 95 Her
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| Object name | 18015+2136 |
| Field of view | |
| Limiting magnitude | |
| 18015+2136 coordinates | 18.02511, 21.59578 |
| Center coordinates | 18.02511, 21.59578 |
18015+2136 Passage Through Night
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Current position of 18015+2136
| Time | 19:51 |
| Latitude | 37.751 |
| Longitude | -97.822 |
| 18015+2136 elevation | -13° |
| 18015+2136 Azimuth | -49° |
Here you can see the current position of the 18015+2136 on the map, as well as its positions for rise and set. This tool allows you to track the 18015+2136's movement throughout the night, providing you with accurate and up-to-date information.
Annual motion of 18015+2136
| Date | Sat, 10 May 2025 |
| Twighlight start | 22:11 |
| Twighlight end | 04:42 |
| Twighlight duration | 7h 31m |
| Rise | 21:08 |
| Set | 11:29 |
| Elevation at transit | 74° |
| Transit time | 04:19 |
| Equatorial coordinates | RA: 18h 01m 30s", Dec: 21° 35' 44s |
| Magnitude | 5 |
| Constellation | Hercules |
The graph illustrates the annual visibility pattern of a 18015+2136, providing a comprehensive overview of its daily appearances and transit times throughout the year.
The graph is structured with the vertical axis showing the hours of the day, ranging from 12 AM to 12 AM the next day, while the horizontal axis spans each day of the year.
The reddish shaded area indicates the periods when the 18015+2136 is above the horizon, visible to observers. The white line marks the times when the celestial object reaches its highest point in the sky each day, known as the transit.
The graph is structured with the vertical axis showing the hours of the day, ranging from 12 AM to 12 AM the next day, while the horizontal axis spans each day of the year.
The reddish shaded area indicates the periods when the 18015+2136 is above the horizon, visible to observers. The white line marks the times when the celestial object reaches its highest point in the sky each day, known as the transit.