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public LocationGreenwich, UK
TimezoneEurope/London
Sunrise: 4:43 
Transit: 13:01 
Sunset: 21:18
wb_twilight   (Nautical Twilight)   What's Visible Now?
All Constellations »  Antlia »  Deep Sky Objects » 

NGC 3173 - Spiral Galaxy in Antlia

Below the horizon.  Rise: 13:47 | Tran: 17:01 | Set: 20:15
Altitude: -24.5°   Azimuth: 255.7°   Direction: West-South-West

NGC 3173 is a Spiral Galaxy in the Antlia constellation. NGC 3173 is situated south of the celestial equator and, as such, it is more easily visible from the southern hemisphere.

The image below is a photograph of NGC 3173 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 NGC 3173 - Spiral Galaxy in Antlia star
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DSS2 image of NGC 3173 in the Red band. The green region on the image is a representation of the major (1.9 arcmin) and minor (1.71 arcmin) axes of the object's apparent size.

Key facts about NGC 3173

NGC 3173
Galaxy
Antlia

NGC 3173 is below the horizon from Greenwich, UK.

Altitude: -24.5°
Azimuth: 255.7°
Direction: West-South-West

See also NGC 3173 rise and set times.

Given its B magnitude of 13.56, NGC 3173 is visible with the help of a telescope having an aperture of 14 inches (350mm) or more.

Available Resources for NGC 3173 - Spiral Galaxy in Antlia

Photometric information of NGC 3173

The following table lists the magnitude of NGC 3173 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).

13.56
11.01
10.32
10.09

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 NGC 3173.

23.69 mag/arcsec2

Apparent size of NGC 3173

The following table reports NGC 3173 apparent angular size. The green area displayed on top of the DSS2 image of NGC 3173 is a visual representation of it.
1.9 arcmin
1.71 arcmin
19°

NGC 3173 - Spiral Galaxy in Antlia morphological classification

NGC 3173 - Spiral Galaxy in Antlia 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 NGC 3173 - Spiral Galaxy in Antlia in the Hubble de Vaucouleurs sequence.

NGC 3173 - Spiral Galaxy in Antlia
Visualization of the morphological classification of NGC 3173 - Spiral Galaxy in Antlia, Spiral (SAc).
Credits for the background image: Antonio Ciccolella / M. De Leo / CC BY

Celestial coordinates and finder chart of NGC 3173

Celestial coordinates for the J2000 equinox of NGC 3173 are provided in the following table:

10h 14m 35s
-27° 41’ 34”

The simplified sky charts below show the position of NGC 3173 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 NGC 3173 - Spiral Galaxy in Antlia star
Simplified finder chart for NGC 3173 - Spiral Galaxy in Antlia.

Finder chart NGC 3173 - Spiral Galaxy in Antlia star
Simplified finder chart for NGC 3173 - Spiral Galaxy in Antlia.

Rise and set times of NGC 3173 from your location

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

Today's NGC 3173 - Spiral Galaxy in Antlia rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 117.7°
Max altitude: 10.8°
Azimuth: 242.3°