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🌎  Greenwich, United Kingdom [change]

NGC 5731 - Spiral Galaxy in Boötes

NGC 5731 is a Spiral Galaxy in the Boötes constellation. NGC 5731 is situated north of the celestial equator and, as such, it is more easily visible from the northern hemisphere.

NGC 5731
Galaxy
Boötes
  • NGC 5731 is above the horizon from Greenwich, United Kingdom [change]. Its current altitude is 4° above the horizon. See also rise and set times.
  • Given its B magnitude of 14, NGC 5731 is visible with the help of a telescope havng an aperture of 14 inches (350mm) or more.
Available Resources for NGC 5731 - Spiral Galaxy in Boötes

Photometric information of NGC 5731

The following table lists the magnitude of NGC 5731 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).

14
12.4
11.93
11.55

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 5731.

22.64 mag/arcsec2

Apparent size of NGC 5731

The following table reports NGC 5731 apparent angular size. The green area displayed on top of the DSS2 image of NGC 5731 is a visual representation of it.
1.5 arcmin
0.37 arcmin
115°

Digitized Sky Survey image of NGC 5731

The image below is a photograph of NGC 5731 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 5731 - Spiral Galaxy in Boötes star
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DSS2 image of NGC 5731 in the Red band. The green region on the image is a representation of the major (1.5 arcmin) and minor (0.37 arcmin) axes of the object's apparent size.

NGC 5731 - Spiral Galaxy in Boötes morphological classification

NGC 5731 - Spiral Galaxy in Boötes is classified as Spiral (SAc) according to the Hubble and de Vaucouleurs galaxy morphological classification. The diagram below shows a visual representation of the position of NGC 5731 - Spiral Galaxy in Boötes in the Hubble de Vaucouleurs sequence.

NGC 5731 - Spiral Galaxy in Boötes
Visualization of the morphological classification of NGC 5731 - Spiral Galaxy in Boötes, Spiral (SAc).
Credits for the background image: Antonio Ciccolella / M. De Leo / CC BY

Celestial coordinates and finder chart of NGC 5731

Celestial coordinates for the J2000 equinox of NGC 5731 are provided in the following table:

14h 40m 09s
+42° 46’ 46”

The simplified sky charts below show the position of NGC 5731 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 5731 - Spiral Galaxy in Boötes star
Simplified finder chart for NGC 5731 - Spiral Galaxy in Boötes.

Finder chart NGC 5731 - Spiral Galaxy in Boötes star
Simplified finder chart for NGC 5731 - Spiral Galaxy in Boötes.

Rise ans set times of NGC 5731 from your location

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

NGC 5731 - Spiral Galaxy in Boötes is circumpolar and transits at 22:14 UTC (altitude: 81.3°)