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🌎 Location: Greenwich, United Kingdom [change]

NGC 2331 - Open Cluster

NGC 2331 is a Open Cluster in the Gemini constellation. NGC 2331 is situated north of the celestial equator and, as such, it is more easily visible from the northern hemisphere.

NGC 2331
Open Cluster
Gemini
  • NGC 2331 is above the horizon from Greenwich, United Kingdom [change]. Its current altitude is 16° above the horizon. See also rise and set times.
  • Given its visual magnitude of 8.5, NGC 2331 is visible with the help of a binocular with a 60-70mm aperture or a small telescope.
Available Resources for NGC 2331 - Open Cluster

Photometric information of NGC 2331

The following table lists the magnitude of NGC 2331 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).

8.5

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

Apparent size of NGC 2331

The following table reports NGC 2331 apparent angular size. The green area displayed on top of the DSS2 image of NGC 2331 is a visual representation of it.
4.8 arcmin
4.8 arcmin

Digitized Sky Survey image of NGC 2331

The image below is a photograph of NGC 2331 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 0.5x0.5 degrees (30x30 arcmins).

Image of NGC 2331 - Open Cluster star
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DSS2 image of NGC 2331 in the Red band. The green region on the image is a representation of the major (4.8 arcmin) and minor (4.8 arcmin) axes of the object's apparent size.

Celestial coordinates and finder chart of NGC 2331

Celestial coordinates for the J2000 equinox of NGC 2331 are provided in the following table:

07h 07m 00s
+27° 15’ 41”

The simplified sky charts below show the position of NGC 2331 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 NGC 2331 - Open Cluster star
Simplified finder chart for NGC 2331 - Open Cluster.

Finder chart NGC 2331 - Open Cluster star
Simplified finder chart for NGC 2331 - Open Cluster.

Rise ans set times of NGC 2331 from your location

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

Today's NGC 2331 - Open Cluster rise, transit and set times from Greenwich, United Kingdom [change] are the following (all times relative to the local timezone Europe/London):

Azimuth: 62.7°
Max altitude: 65.8°
Azimuth: 297.3°
NGC 2331 - Open Cluster is below the horizon from Greenwich, United Kingdom