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public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
SunriseRise: 6:35  
clear_day Transit: 12:10  
SunsetSet: 17:45
sleep NighttimeWhat's Visible Now?
All Constellations »  Canes Venatici »  Deep Sky Objects » 

IC 3921 - Spiral Galaxy in Canes Venatici

Altitude: 62.3°   Azimuth: 256.4°   Direction: West-South-West

IC 3921 is a Spiral Galaxy in the Canes Venatici constellation. IC 3921 is situated north of the celestial equator and, as such, it is more easily visible from the northern hemisphere.

The image below is a photograph of IC 3921 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 3921 - Spiral Galaxy in Canes Venatici star
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DSS2 image of IC 3921 in the Red band. The green region on the image is a representation of the major (0.52 arcmin) and minor (0.25 arcmin) axes of the object's apparent size.

Key facts about IC 3921

IC 3921
Galaxy
Canes Venatici

IC 3921 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 62.3°
Azimuth: 256.4°
Direction: West-South-West

See also IC 3921 rise and set times.

Given its B magnitude of 16.12, IC 3921 is visible only through long exposure photography.

Available Resources for IC 3921 - Spiral Galaxy in Canes Venatici

Photometric information of IC 3921

The following table lists the magnitude of IC 3921 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).

16.12
14.19
13.37
12.86

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 3921.

23.1 mag/arcsec2

Apparent size of IC 3921

The following table reports IC 3921 apparent angular size. The green area displayed on top of the DSS2 image of IC 3921 is a visual representation of it.
0.52 arcmin
0.25 arcmin
73°

IC 3921 - Spiral Galaxy in Canes Venatici morphological classification

IC 3921 - Spiral Galaxy in Canes Venatici 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 IC 3921 - Spiral Galaxy in Canes Venatici in the Hubble de Vaucouleurs sequence.

IC 3921 - Spiral Galaxy in Canes Venatici
Visualization of the morphological classification of IC 3921 - Spiral Galaxy in Canes Venatici, Spiral (SAc).
Credits for the background image: Antonio Ciccolella / M. De Leo / CC BY

Celestial coordinates and finder chart of IC 3921

Celestial coordinates for the J2000 equinox of IC 3921 are provided in the following table:

12h 56m 57s
+38° 38’ 22”

The simplified sky charts below show the position of IC 3921 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 3921 - Spiral Galaxy in Canes Venatici star
Simplified finder chart for IC 3921 - Spiral Galaxy in Canes Venatici.

Finder chart IC 3921 - Spiral Galaxy in Canes Venatici star
Simplified finder chart for IC 3921 - Spiral Galaxy in Canes Venatici.

Rise and set times of IC 3921 from your location

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

IC 3921 - Spiral Galaxy in Canes Venatici is circumpolar and transits at 02:03 UTC (altitude: 77.2°)