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public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
north SunriseRise: 4:44  
clear_day Transit: 12:57  
SunsetSet: 21:11 south
sunny  • Daytime • What's Visible Now

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Other deep sky objects in Eridanus
All Constellations »  Eridanus »  Deep Sky Objects » 

IC 2031 - Spiral Galaxy in Eridanus

Altitude: -3.3°   Azimuth: 94.9°   Direction: East

IC 2031 is a Spiral Galaxy in the Eridanus constellation. IC 2031 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 2031
Galaxy
Eridanus

IC 2031 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -3.3°
Azimuth: 94.9°
Direction: East

See also IC 2031 rise and set times.

Given its B magnitude of 15.97, IC 2031 is visible only through long exposure photography.

Available Resources for IC 2031 - Spiral Galaxy in Eridanus

Photometric information of IC 2031

The following table lists the magnitude of IC 2031 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).

15.97
12.58
11.89
11.66

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 2031.

22.99 mag/arcsec2

Apparent size of IC 2031

The following table reports IC 2031 apparent angular size. The green area displayed on top of the DSS2 image of IC 2031 is a visual representation of it.
0.56 arcmin
0.48 arcmin
103°

Digitized Sky Survey image of IC 2031

The image below is a photograph of IC 2031 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 2031 - Spiral Galaxy in Eridanus star
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DSS2 image of IC 2031 in the Red band. The green region on the image is a representation of the major (0.56 arcmin) and minor (0.48 arcmin) axes of the object's apparent size.

IC 2031 - Spiral Galaxy in Eridanus morphological classification

IC 2031 - Spiral Galaxy in Eridanus 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 2031 - Spiral Galaxy in Eridanus in the Hubble de Vaucouleurs sequence.

IC 2031 - Spiral Galaxy in Eridanus
Visualization of the morphological classification of IC 2031 - Spiral Galaxy in Eridanus, Spiral (SAab).
Credits for the background image: Antonio Ciccolella / M. De Leo / CC BY

Celestial coordinates and finder chart of IC 2031

Celestial coordinates for the J2000 equinox of IC 2031 are provided in the following table:

04h 06m 15s
-05° 39’ 06”

The simplified sky charts below show the position of IC 2031 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 2031 - Spiral Galaxy in Eridanus star
Simplified finder chart for IC 2031 - Spiral Galaxy in Eridanus.

Finder chart IC 2031 - Spiral Galaxy in Eridanus star
Simplified finder chart for IC 2031 - Spiral Galaxy in Eridanus.

Rise ans set times of IC 2031 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 2031 - Spiral Galaxy in Eridanus 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: 95.7°
Max altitude: 32.9°
Azimuth: 264.3°
IC 2031 - Spiral Galaxy in Eridanus is below the horizon from Greenwich, United Kingdom