IC4665 Observation Details

IC4665 Daily Motion
IC4665 will not be observable tonight. It will reach its transit at 58° by 17:17 and set at 23:33. Throughout the night, from 01:46 to 03:53, it will be below the horizon. IC4665 will rise again after sunrise, at 10:56.IC4665 will be visible until November, 17, 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.
IC4665 Visibility Timetable on September 15
IC4665 Rise and Set Timetable
Time | Elevation | |
Sunset | 17:15 | 58° |
IC4665 transit | 17:17 | 58° |
Civil sunset | 17:42 | 58° |
Astrosession begin | 18:44 | 53° |
Moon Rise, 40.5% illuminated | 22:09 | 17° |
IC4665 set | 23:33 | |
Astrosession end | 03:21 | -40° |
IC4665 rise | 10:56 | |
Moon Set | 13:59 | 36° |
Track IC4665 Position Throughout the Night
← Mon, 15 September 2025 →
Time | |
Altitude | |
Azimuth |
Where is IC4665 right now?
IC4665 is located in the constellation Ophiuchus, at right ascension 17h 46m 27s" and declination 05° 38' 55s. At the current time, it is below the horizon and not visible from your location.IC4665 Image Gallery
DSS Blue

DSS Red

DSS Near-Infrared

DSS Composite image

The photos are taken from the Digitized Sky Survey 2 (DSS2), which was produced at the Space Telescope Science Institute (STScI) under NASA contract, using data from the UK Science and Technology Facilities Council (STFC), the European Southern Observatory (ESO), and the National Geographic Society-Palomar Observatory Sky Survey (POSS II).
Special thanks to the National Optical Astronomy Observatory (NOAO), the Royal Observatory, Edinburgh, and the California Institute of Technology for their significant contributions.
Finder Chart for IC4665
Object name | IC4665 |
Field of view | |
Limiting magnitude | |
IC4665 coordinates | 17.77422, 5.64872 |
Center coordinates | 17.77422, 5.64872 |
IC4665 Passage Through Night
Current position of IC4665
Time | 01:46 |
Latitude | 37.3541 |
Longitude | -121.955 |
IC4665 elevation | -25° |
IC4665 Azimuth | 60° |
Annual motion of IC4665
Date | Tue, 16 September 2025 |
Twighlight start | 18:38 |
Twighlight end | 03:16 |
Twighlight duration | 9h 38m |
Rise | 10:56 |
Set | 23:29 |
Elevation at transit | 58° |
Transit time | 17:13 |
Equatorial coordinates | RA: 17h 46m 27s", Dec: 05° 38' 55s |
Magnitude | 4 |
Constellation | Ophiuchus |
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 IC4665 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.
Astrometric & Physical Parameters of IC4665
Coordinates & Visibility
Right Ascension | 17.77422° |
Declination | 5.64872° |
Magnitude | 4.20 |
Constellation | Ophiuchus |
Elevation | -25.1° |
Azimuth | 60.4° |
Data Credits
The nebulae information on this page is sourced from the OpenNGC project, developed by Matteo Verga. OpenNGC provides detailed data on the NGC catalog, which is a valuable resource for exploring deep-sky objects such as nebulae.
For more details or to contribute to OpenNGC, visit the official GitHub repository: OpenNGC on GitHub.