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🌎 Location: Greenwich, United Kingdom [change]

NGC 4731 - Galaxy

NGC 4731 is a Galaxy in the Virgo constellation. NGC 4731 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.

NGC 4731
  • NGC 4731 is below the horizon from Greenwich, United Kingdom [change]. See also rise and set times.
  • Given its B magnitude of 12, NGC 4731 is visible with the help of a telescope havng an aperture of 8 inches (200mm) or more.
Available Resources for NGC 4731 - Galaxy

Photometric information of NGC 4731

The following table lists the magnitude of NGC 4731 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).


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

The surface brightess reported below is an indication of the brightness per unit of angular area of NGC 4731.

23.72 mag/arcsec2

Apparent size of NGC 4731

The following table reports NGC 4731 apparent angular size. The green area displayed on top of the DSS2 image of NGC 4731 is a visual representation of it.
6.32 arcmin
2.14 arcmin

Digitized Sky Survey image of NGC 4731

The image below is a photograph of NGC 4731 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 4731 -  Galaxy star
DSS2 image of NGC 4731 in the Red band. The green region on the image is a representation of the major (6.32 arcmin) and minor (2.14 arcmin) axes of the object's apparent size.

NGC 4731 - Galaxy morphological classification

NGC 4731 - Galaxy is classified as according to the Hubble and de Vaucouleurs galaxy morphological classification. The diagram below shows a visual representation of the position of NGC 4731 - Galaxy in the Hubble de Vaucouleurs sequence.

NGC 4731 - Galaxy
Visualization of the morphological classification of NGC 4731 - Galaxy, .
Credits for the background image: Antonio Ciccolella / M. De Leo / CC BY

Celestial coordinates and finder chart of NGC 4731

Celestial coordinates for the J2000 equinox of NGC 4731 are provided in the following table:

12h 51m 01s
-06° 23’ 35”

The simplified sky charts below show the position of NGC 4731 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 4731 -  Galaxy star
Simplified finder chart for NGC 4731 - Galaxy.

Finder chart NGC 4731 -  Galaxy star
Simplified finder chart for NGC 4731 - Galaxy.

Rise ans set times of NGC 4731 from your location

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

Today's NGC 4731 - Galaxy rise, transit and set times from Greenwich, United Kingdom [change] are the following (all times relative to the local timezone Europe/London):

Azimuth: 96.4°
Max altitude: 32.1°
Azimuth: 263.6°
NGC 4731 - Galaxy is below the horizon from Greenwich, United Kingdom