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IC 1731 - Intermediate Spiral Galaxy in Triangulum

IC 1731 is a Intermediate Spiral Galaxy in the Triangulum constellation. IC 1731 is situated north of the celestial equator and, as such, it is more easily visible from the northern hemisphere.

IC 1731
Galaxy
Triangulum
  • IC 1731 is below the horizon from Greenwich, United Kingdom [change]. See also rise and set times.
  • Given its B magnitude of 14.2, IC 1731 is visible with the help of a telescope havng an aperture of 14 inches (350mm) or more.
Available Resources for IC 1731 - Intermediate Spiral Galaxy in Triangulum

Photometric information of IC 1731

The following table lists the magnitude of IC 1731 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).

14.2
11.79
11.21
10.83

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 1731.

23.33 mag/arcsec2

Apparent size of IC 1731

The following table reports IC 1731 apparent angular size. The green area displayed on top of the DSS2 image of IC 1731 is a visual representation of it.
1.45 arcmin
0.8 arcmin
134°

Digitized Sky Survey image of IC 1731

The image below is a photograph of IC 1731 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 1731 - Intermediate Spiral Galaxy in Triangulum star
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DSS2 image of IC 1731 in the Red band. The green region on the image is a representation of the major (1.45 arcmin) and minor (0.8 arcmin) axes of the object's apparent size.

IC 1731 - Intermediate Spiral Galaxy in Triangulum morphological classification

IC 1731 - Intermediate Spiral Galaxy in Triangulum is classified as Intermediate Spiral (SABc) according to the Hubble and de Vaucouleurs galaxy morphological classification. The diagram below shows a visual representation of the position of IC 1731 - Intermediate Spiral Galaxy in Triangulum in the Hubble de Vaucouleurs sequence.

IC 1731 - Intermediate Spiral Galaxy in Triangulum
Visualization of the morphological classification of IC 1731 - Intermediate Spiral Galaxy in Triangulum, Intermediate Spiral (SABc).
Credits for the background image: Antonio Ciccolella / M. De Leo / CC BY

Celestial coordinates and finder chart of IC 1731

Celestial coordinates for the J2000 equinox of IC 1731 are provided in the following table:

01h 50m 12s
+27° 11’ 46”

The simplified sky charts below show the position of IC 1731 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 1731 - Intermediate Spiral Galaxy in Triangulum star
Simplified finder chart for IC 1731 - Intermediate Spiral Galaxy in Triangulum.

Finder chart IC 1731 - Intermediate Spiral Galaxy in Triangulum star
Simplified finder chart for IC 1731 - Intermediate Spiral Galaxy in Triangulum.

Rise ans set times of IC 1731 from your location

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

Today's IC 1731 - Intermediate Spiral Galaxy in Triangulum rise, transit and set times from Greenwich, United Kingdom [change] are the following (all times relative to the local timezone Europe/London):

Azimuth: 62.8°
Max altitude: 65.7°
Azimuth: 297.2°
IC 1731 - Intermediate Spiral Galaxy in Triangulum is below the horizon from Greenwich, United Kingdom