Your guide to the Solar System and the night sky
Please donate now to help keep TheSkyLive ads-free. This site cannot run without your voluntary donations.
🌎  Greenwich, United Kingdom [change]

IC 4391 - Spiral Galaxy in Centaurus

IC 4391 is a Spiral Galaxy in the Centaurus constellation. IC 4391 is situated south of the celestial equator and, as such, it is more easily visible from the southern emisphere.

IC 4391
Galaxy
Centaurus
  • IC 4391 is above the horizon from Greenwich, United Kingdom [change]. Its current altitude is 5° above the horizon. See also rise and set times.
  • Given its B magnitude of 14.45, IC 4391 is visible with the help of a telescope havng an aperture of 14 inches (350mm) or more.
Available Resources for IC 4391 - Spiral Galaxy in Centaurus

Photometric information of IC 4391

The following table lists the magnitude of IC 4391 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).

14.45
12.29
11.75
11.39

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 IC 4391.

22.99 mag/arcsec2

Apparent size of IC 4391

The following table reports IC 4391 apparent angular size. The green area displayed on top of the DSS2 image of IC 4391 is a visual representation of it.
0.98 arcmin
0.78 arcmin
55°

Digitized Sky Survey image of IC 4391

The image below is a photograph of IC 4391 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 IC 4391 - Spiral Galaxy in Centaurus star
/>
DSS2 image of IC 4391 in the Red band. The green region on the image is a representation of the major (0.98 arcmin) and minor (0.78 arcmin) axes of the object's apparent size.

IC 4391 - Spiral Galaxy in Centaurus morphological classification

IC 4391 - Spiral Galaxy in Centaurus is classified as Spiral (SAab) according to the Hubble and de Vaucouleurs galaxy morphological classification. The diagram below shows a visual representation of the position of IC 4391 - Spiral Galaxy in Centaurus in the Hubble de Vaucouleurs sequence.

IC 4391 - Spiral Galaxy in Centaurus
Visualization of the morphological classification of IC 4391 - Spiral Galaxy in Centaurus, Spiral (SAab).
Credits for the background image: Antonio Ciccolella / M. De Leo / CC BY

Celestial coordinates and finder chart of IC 4391

Celestial coordinates for the J2000 equinox of IC 4391 are provided in the following table:

14h 16m 27s
-31° 41’ 05”

The simplified sky charts below show the position of IC 4391 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 4391 - Spiral Galaxy in Centaurus star
Simplified finder chart for IC 4391 - Spiral Galaxy in Centaurus.

Finder chart IC 4391 - Spiral Galaxy in Centaurus star
Simplified finder chart for IC 4391 - Spiral Galaxy in Centaurus.

Rise ans set times of IC 4391 from your location

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

Today's IC 4391 - Spiral Galaxy in Centaurus rise, transit and set times from Greenwich, United Kingdom [change] are the following (all times relative to the local timezone Europe/London):

Azimuth: 121.7°
Max altitude: 6.8°
Azimuth: 238.3°
IC 4391 - Spiral Galaxy in Centaurus is below the horizon from Greenwich, United Kingdom