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🌎  Greenwich, United Kingdom [change]

IC 4665 - Open Cluster in Ophiuchus

IC 4665 is a Open Cluster in the Ophiuchus constellation. IC 4665 is situated close to the celestial equator and, as such, it is at least partly visible from both hemispheres in certain times of the year.

IC 4665
Open Cluster
Ophiuchus
  • IC 4665 is below the horizon from Greenwich, United Kingdom [change]. See also rise and set times.
  • Given its visual magnitude of 4.2, IC 4665 is barely visible to the naked eye, easily visible with the help of a small binocular.
Available Resources for IC 4665 - Open Cluster in Ophiuchus

Photometric information of IC 4665

The following table lists the magnitude of IC 4665 in different bands of the electomagnetic spectrum (when available), from the B band (445nm wavelength, corresponding to the Blue color), to the V band ( 551nm wavelength, corresponding to Green/Yellow color), to the J, H, K bands (corresponding to 1220nm, 1630nm, 2190nm wavelengths respectively, which are colors not visible to the human eye).

4.49
4.2

For more information about photometry in astronomy, check the photometric system article on Wikipedia.

Apparent size of IC 4665

The following table reports IC 4665 apparent angular size. The green area displayed on top of the DSS2 image of IC 4665 is a visual representation of it.
24.6 arcmin
24.6 arcmin

Digitized Sky Survey image of IC 4665

The image below is a photograph of IC 4665 from the Digitized Sky Survey 2 (DSS2 - see the credits section) taken in the red channel. The area of sky represented in the image is 0.82x0.82 degrees (49.2x49.2 arcmins).

Image of IC 4665 - Open Cluster in Ophiuchus star
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DSS2 image of IC 4665 in the Red band. The green region on the image is a representation of the major (24.6 arcmin) and minor (24.6 arcmin) axes of the object's apparent size.

Celestial coordinates and finder chart of IC 4665

Celestial coordinates for the J2000 equinox of IC 4665 are provided in the following table:

17h 46m 27s
+05° 38’ 55”

The simplified sky charts below show the position of IC 4665 in the sky. The first chart has a field of view of 60° while the second one has a field of view of 10°.

Finder chart IC 4665 - Open Cluster in Ophiuchus star
Simplified finder chart for IC 4665 - Open Cluster in Ophiuchus.

Finder chart IC 4665 - Open Cluster in Ophiuchus star
Simplified finder chart for IC 4665 - Open Cluster in Ophiuchus.

Rise ans set times of IC 4665 from your location

Location: Greenwich, United Kingdom [change]
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
Timezone: Europe/London

Today's IC 4665 - Open Cluster in Ophiuchus rise, transit and set times from Greenwich, United Kingdom [change] are the following (all times relative to the local timezone Europe/London):

Azimuth: 84.4°
Max altitude: 44.2°
Azimuth: 275.6°
IC 4665 - Open Cluster in Ophiuchus is below the horizon from Greenwich, United Kingdom