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public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 5:13 
Transit: 12:56 
Sunset: 20:39
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All Constellations »  Auriga »  Deep Sky Objects » 

NGC 1931 - Star Cluster + Nebula in Auriga

Above the horizon.  Rise: 5:18 | Tran: 15:10 | Set: 1:06
Alt: 1.63°   Az: 29.69°   Direction: North-North-East

NGC 1931 is a Star Cluster + Nebula in the Auriga constellation. NGC 1931 is situated north of the celestial equator and, as such, it is more easily visible from the northern hemisphere. Given its visual magnitude of 10.1, NGC 1931 is visible with the help of a binocular with a 80mm aperture or a small telescope.

The image below is a photograph of NGC 1931 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 1931 - Star Cluster + Nebula in Auriga star
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DSS2 image of NGC 1931 in the Red band. The green region on the image is a representation of the major (4.8 arcmin) and minor (4.8 arcmin) axes of the object's apparent size.

Celestial Coordinates

Apparent

05h 33m 05s
+34° 15’ 48”
14h 27m 13s
20h 00m 19s

J2000

05h 31m 24s
+34° 14’ 47”

Finder Chart

The simplified sky charts below show the position of NGC 1931 in the sky. The first chart has a field of view of 60° while the second one has a field of view of 10°.

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Finder chart for NGC 1931 - Star Cluster + Nebula in Auriga.

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Finder chart for NGC 1931 - Star Cluster + Nebula in Auriga.

Photometric Information

The following table lists the magnitude of NGC 1931 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).

10.1

For more information about photometry in astronomy, check the photometric system article on Wikipedia.

Apparent Size

The following table reports NGC 1931 apparent angular size. The green area displayed on top of the DSS2 image of NGC 1931 is a visual representation of it.
4.8 arcmin
4.8 arcmin

Rise and Set Times

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

Today's NGC 1931 - Star Cluster + Nebula in Auriga rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 55.7°
Max altitude: 72.8°
Azimuth: 304.3°