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public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
north SunriseRise: 7:38  
clear_day Transit: 11:46  
SunsetSet: 15:54 south
sunny DaytimeWhat's Visible Now?
All Constellations »  Taurus »  Deep Sky Objects » 

IC 1931 - Galaxy in Taurus

Altitude: -24.6°   Azimuth: 309.0°   Direction: North-West

IC 1931 is a Galaxy in the Taurus constellation. IC 1931 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.

IC 1931

IC 1931 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -24.6°
Azimuth: 309.0°
Direction: North-West

See also IC 1931 rise and set times.

Given its B magnitude of 15.5, IC 1931 is visible only through long exposure photography.

Available Resources for IC 1931 - Galaxy in Taurus

Photometric information of IC 1931

The following table lists the magnitude of IC 1931 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 IC 1931.

23.77 mag/arcsec2

Apparent size of IC 1931

The following table reports IC 1931 apparent angular size. The green area displayed on top of the DSS2 image of IC 1931 is a visual representation of it.
0.8 arcmin
0.76 arcmin

Digitized Sky Survey image of IC 1931

The image below is a photograph of IC 1931 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 1931 - Galaxy in Taurus star
DSS2 image of IC 1931 in the Red band. The green region on the image is a representation of the major (0.8 arcmin) and minor (0.76 arcmin) axes of the object's apparent size.

Celestial coordinates and finder chart of IC 1931

Celestial coordinates for the J2000 equinox of IC 1931 are provided in the following table:

03h 28m 58s
+01° 45’ 02”

The simplified sky charts below show the position of IC 1931 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 1931 - Galaxy in Taurus star
Simplified finder chart for IC 1931 - Galaxy in Taurus.

Finder chart IC 1931 - Galaxy in Taurus star
Simplified finder chart for IC 1931 - Galaxy in Taurus.

Rise ans set times of IC 1931 from your location

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

Today's IC 1931 - Galaxy in Taurus rise, transit and set times from Greenwich, United Kingdom edit_location_alt are the following (all times relative to the local timezone Europe/London):

Azimuth: 88.2°
Max altitude: 40.3°
Azimuth: 271.8°