Location settings
Santa Clara, US
37.4°/-122°
GMT -9
Waxing18:57 - 03:26
  ⌕
☾
☰
Sky-Tonight.com / Nebulae and Deep-Sky Objects / Rho Ophiuchi Cloud Complex (IC4604)

Rho Ophiuchi Cloud Complex (IC4604) Position and Visibility Tonight

IC4604

Where is IC4604 right now?

IC4604 is located in the constellation Ophiuchus. It is currently below the horizon and is not visible from your location.
Twilight begins at 18:57 local time. At that moment, IC4604 will be 27° above the horizon toward the south-west.

IC4604 visibility on 2026-08-18

IC4604 Visible from sunset until early morning

IC4604 rise and set timetable

TimeElevation
Moonrise, 21% illuminated 09:49-37°
IC4604 rise13:05
IC4604 transit17:4729°
Sunset17:5529°
Civil sunset18:2429°
Twilight start18:5727°
Astronomical observing session begins19:3224°
Moonset20:2619°
IC4604 set22:29
Astronomical observing session ends02:51-50°

Track IC4604 Position Throughout the Night

← 18 August 2026 →

Elevation (degrees)
Time
Altitude
Azimuth
Shift the map to change the time and observe IC4604 changing position in the night sky.

IC4604 — Image Gallery

DSS Blue

IC4604 — blue-filter image
Blue images highlight younger, hotter stars that emit strongly at blue wavelengths.

DSS Red

IC4604 — red-filter image
Red images reveal older, cooler stars and emission nebulae glowing strongly in hydrogen-alpha light.

DSS Near-Infrared

IC4604 — near-infrared image
Near-infrared images penetrate dust that obscures visible light and reveal hidden structures.

DSS Composite Image

IC4604 — composite color image
DSS color images combine blue, red and often near-infrared exposures into a composite view.

The images come from the Digitized Sky Survey 2 (DSS2), produced at the Space Telescope Science Institute (STScI) under contract with NASA, using data from UK Science and Technology Facilities Council (STFC), European Southern Observatory (ESO), National Geographic Society-Palomar Observatory Sky Survey (POSS II).

Special thanks to National Optical Astronomy Observatory (NOAO), Royal Observatory, Edinburgh, California Institute of Technology for their significant contributions.

Finder Chart for IC4604

Double-click to unlock the map.
Object nameIC4604
Field of view
Limiting magnitude
IC4604 coordinates16.42533, -23.43658
Center coordinates16.42533, -23.43658

Rho Ophiuchi Cloud Complex (IC4604) Passage Through Night

Double-click to unlock the map.

Current position of Rho Ophiuchi Cloud Complex (IC4604)

Time07:56
Latitude37.3541
Longitude-121.955
Elevation-59°
Azimuth72°
Here you can see the current position of IC4604 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 Rho Ophiuchi Cloud Complex (IC4604)


IC4604 will remain visible until November 8, when it moves too close to the Sun and temporarily disappears from the night sky. Time
DateTue, 18 August 2026
Twilight start19:28
Twilight end02:44
Twilight duration7h 17m
Rise13:01
Set22:25
Elevation at transit29°
Transit time17:43
Equatorial coordinatesRA: 16h 25m 31s", Dec: -23° 26' 11s
Magnitude5
ConstellationOphiuchus
The graph illustrates the annual visibility pattern of IC4604, 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.

Astrometric and Physical Parameters of IC4604

Coordinates and Visibility

Right Ascension16.42533°
Declination-23.43658°
Magnitude5.10
ConstellationOphiuchus
Elevation-59.3°
Azimuth72.2°

Data Credits

The deep-sky information on this page comes from the OpenNGC project developed by Matteo Verga. OpenNGC provides detailed catalog data for nebulae, galaxies, clusters and other deep-sky objects.

For details or contributions, visit the official repository: OpenNGC GitHub.