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public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
SunriseRise: 6:55  
clear_day Transit: 12:11  
SunsetSet: 17:29
sunny DaytimeWhat's Visible Now?
All Constellations »  Ursa Minor »  Deep Sky Objects » 

IC 1139 - Galaxy in Ursa Minor

Altitude: 56.5°   Azimuth: 350.7°   Direction: North

IC 1139 is a Galaxy in the Ursa Minor constellation. IC 1139 is situated close to the northern celestial pole and, as such, it is visible for most part of the year from the northern hemisphere.

The image below is a photograph of IC 1139 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 1139 - Galaxy in Ursa Minor star
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DSS2 image of IC 1139 in the Red band. The green region on the image is a representation of the major (0.65 arcmin) and minor (0.28 arcmin) axes of the object's apparent size.

Key facts about IC 1139

IC 1139
Galaxy
Ursa Minor

IC 1139 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 56.5°
Azimuth: 350.7°
Direction: North

See also IC 1139 rise and set times.

Given its B magnitude of 15.6, IC 1139 is visible only through long exposure photography.

Available Resources for IC 1139 - Galaxy in Ursa Minor

Photometric information of IC 1139

The following table lists the magnitude of IC 1139 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).

15.6
12.52
11.82
11.54

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 1139.

23.51 mag/arcsec2

Apparent size of IC 1139

The following table reports IC 1139 apparent angular size. The green area displayed on top of the DSS2 image of IC 1139 is a visual representation of it.
0.65 arcmin
0.28 arcmin
54°

Celestial coordinates and finder chart of IC 1139

Celestial coordinates for the J2000 equinox of IC 1139 are provided in the following table:

15h 29m 26s
+82° 35’ 01”

The simplified sky charts below show the position of IC 1139 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 1139 - Galaxy in Ursa Minor star
Simplified finder chart for IC 1139 - Galaxy in Ursa Minor.

Finder chart IC 1139 - Galaxy in Ursa Minor star
Simplified finder chart for IC 1139 - Galaxy in Ursa Minor.

Rise and set times of IC 1139 from your location

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

IC 1139 - Galaxy in Ursa Minor is circumpolar and transits at 05:11 UTC (altitude: 58.9°)