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🌎  Greenwich, United Kingdom [change]

IC 173 - Barred Spiral Galaxy in Cetus

IC 173 is a Barred Spiral Galaxy in the Cetus constellation. IC 173 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 173
Galaxy
Cetus
  • IC 173 is below the horizon from Greenwich, United Kingdom [change]. See also rise and set times.
  • Given its B magnitude of 14.9, IC 173 is visible with the help of a telescope havng an aperture of 20 inches (500mm) or more.
Available Resources for IC 173 - Barred Spiral Galaxy in Cetus

Photometric information of IC 173

The following table lists the magnitude of IC 173 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).

14.9
12.17
11.61
11.35

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 173.

23.35 mag/arcsec2

Apparent size of IC 173

The following table reports IC 173 apparent angular size. The green area displayed on top of the DSS2 image of IC 173 is a visual representation of it.
0.92 arcmin
0.72 arcmin
90°

Digitized Sky Survey image of IC 173

The image below is a photograph of IC 173 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 173 - Barred Spiral Galaxy in Cetus star
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DSS2 image of IC 173 in the Red band. The green region on the image is a representation of the major (0.92 arcmin) and minor (0.72 arcmin) axes of the object's apparent size.

IC 173 - Barred Spiral Galaxy in Cetus morphological classification

IC 173 - Barred Spiral Galaxy in Cetus is classified as Barred Spiral (Bbc) according to the Hubble and de Vaucouleurs galaxy morphological classification. The diagram below shows a visual representation of the position of IC 173 - Barred Spiral Galaxy in Cetus in the Hubble de Vaucouleurs sequence.

IC 173 - Barred Spiral Galaxy in Cetus
Visualization of the morphological classification of IC 173 - Barred Spiral Galaxy in Cetus, Barred Spiral (Bbc).
Credits for the background image: Antonio Ciccolella / M. De Leo / CC BY

Celestial coordinates and finder chart of IC 173

Celestial coordinates for the J2000 equinox of IC 173 are provided in the following table:

01h 55m 57s
+01° 17’ 06”

The simplified sky charts below show the position of IC 173 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 173 - Barred Spiral Galaxy in Cetus star
Simplified finder chart for IC 173 - Barred Spiral Galaxy in Cetus.

Finder chart IC 173 - Barred Spiral Galaxy in Cetus star
Simplified finder chart for IC 173 - Barred Spiral Galaxy in Cetus.

Rise ans set times of IC 173 from your location

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

Today's IC 173 - Barred Spiral Galaxy in Cetus rise, transit and set times from Greenwich, United Kingdom [change] are the following (all times relative to the local timezone Europe/London):

Azimuth: 88.7°
Max altitude: 39.8°
Azimuth: 271.3°
IC 173 - Barred Spiral Galaxy in Cetus is below the horizon from Greenwich, United Kingdom