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public LocationGreenwich, UK
TimezoneEurope/London
Sunrise: 5:00 
Transit: 13:04 
Sunset: 21:07
wb_twilight   (Civil Twilight)   What's Visible Now?
All Constellations »  Antlia »  Deep Sky Objects » 

NGC 3157 - Galaxy in Antlia

Below the horizon.  Rise: 13:02 | Tran: 15:37 | Set: 18:11
Alt: -21.03°   Az: 245.00°   Direction: West-South-West

NGC 3157 is a Galaxy in the Antlia constellation. NGC 3157 is situated south of the celestial equator and, as such, it is more easily visible from the southern hemisphere. Given its B magnitude of 13.94, NGC 3157 is visible with the help of a telescope having an aperture of 14 inches (350mm) or more.

The image below is a photograph of NGC 3157 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 0.5000x0.5000 degrees (30.00x30.00 arcmins).

Image of NGC 3157 -  Galaxy in Antlia star
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DSS2 image of NGC 3157 in the Red band. The green region on the image is a representation of the major (1.7 arcmin) and minor (0.44 arcmin) axes of the object's apparent size.

Celestial Coordinates

Apparent

10h 12m 48s
-31° 45’ 52”
05h 37m 00s
15h 49m 48s

J2000

10h 11m 42s
-31° 38’ 34”

Finder Chart

The simplified sky charts below show the position of NGC 3157 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 3157 -  Galaxy in Antlia star
Simplified finder chart for NGC 3157 - Galaxy in Antlia.

Finder chart NGC 3157 -  Galaxy in Antlia star
Simplified finder chart for NGC 3157 - Galaxy in Antlia.

Photometric Information

The following table lists the magnitude of NGC 3157 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).

13.94
10.74
10.04
9.75

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 3157.

22.78 mag/arcsec2

Apparent Size

The following table reports NGC 3157 apparent angular size. The green area displayed on top of the DSS2 image of NGC 3157 is a visual representation of it.
1.7 arcmin
0.44 arcmin
39°

Morphological Classification

NGC 3157 - Galaxy in Antlia is classified as according to the Hubble and de Vaucouleurs galaxy morphological classification. The diagram below shows a visual representation of the position of NGC 3157 - Galaxy in Antlia in the Hubble de Vaucouleurs sequence.

NGC 3157 - Galaxy in Antlia
Visualization of the morphological classification of NGC 3157 - Galaxy in Antlia, .
Credits for the background image: Antonio Ciccolella / M. De Leo / CC BY

Rise and Set Times

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

Today's NGC 3157 - Galaxy in Antlia rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 121.8°
Max altitude: 6.8°
Azimuth: 238.2°