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🌎  Greenwich, United Kingdom [change]

NGC 4439 - Open Cluster in Crux

NGC 4439 is a Open Cluster in the Crux constellation. NGC 4439 is situated south of the celestial equator and, as such, it is more easily visible from the southern emisphere.

NGC 4439
Open Cluster
Crux
  • NGC 4439 is below the horizon from Greenwich, United Kingdom [change]. See also rise and set times.
  • Given its visual magnitude of 8.4, NGC 4439 is visible with the help of a binocular with a 40-50mm aperture or a small telescope.
Available Resources for NGC 4439 - Open Cluster in Crux

Photometric information of NGC 4439

The following table lists the magnitude of NGC 4439 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).

8.73
8.4

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

Apparent size of NGC 4439

The following table reports NGC 4439 apparent angular size. The green area displayed on top of the DSS2 image of NGC 4439 is a visual representation of it.
4.5 arcmin
4.5 arcmin

Digitized Sky Survey image of NGC 4439

The image below is a photograph of NGC 4439 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 4439 - Open Cluster in Crux star
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DSS2 image of NGC 4439 in the Red band. The green region on the image is a representation of the major (4.5 arcmin) and minor (4.5 arcmin) axes of the object's apparent size.

Celestial coordinates and finder chart of NGC 4439

Celestial coordinates for the J2000 equinox of NGC 4439 are provided in the following table:

12h 28m 26s
-60° 06’ 11”

The simplified sky charts below show the position of NGC 4439 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 4439 - Open Cluster in Crux star
Simplified finder chart for NGC 4439 - Open Cluster in Crux.

Finder chart NGC 4439 - Open Cluster in Crux star
Simplified finder chart for NGC 4439 - Open Cluster in Crux.

Rise ans set times of NGC 4439 from your location

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

NGC 4439 - Open Cluster in Crux is currently not visible from Greenwich, United Kingdom [change]