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🌎  Greenwich, United Kingdom [change]

IC 945 - Spiral Galaxy in Ursa Minor

IC 945 is a Spiral Galaxy in the Ursa Minor constellation. IC 945 is situated close to the northern celestial pole and, as such, it is visible for most part of the year from the northern hemisphere.

IC 945
Galaxy
Ursa Minor
  • IC 945 is above the horizon from Greenwich, United Kingdom [change]. Its current altitude is 48° above the horizon. See also rise and set times.
  • Given its B magnitude of 15.1, IC 945 is visible with the help of a telescope havng an aperture of 20 inches (500mm) or more.
Available Resources for IC 945 - Spiral Galaxy in Ursa Minor

Photometric information of IC 945

The following table lists the magnitude of IC 945 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).

15.1
12.02
11.41
11.12

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 945.

23.45 mag/arcsec2

Apparent size of IC 945

The following table reports IC 945 apparent angular size. The green area displayed on top of the DSS2 image of IC 945 is a visual representation of it.
1 arcmin
0.59 arcmin
118°

Digitized Sky Survey image of IC 945

The image below is a photograph of IC 945 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 945 - Spiral Galaxy in Ursa Minor star
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DSS2 image of IC 945 in the Red band. The green region on the image is a representation of the major (1 arcmin) and minor (0.59 arcmin) axes of the object's apparent size.

IC 945 - Spiral Galaxy in Ursa Minor morphological classification

IC 945 - Spiral Galaxy in Ursa Minor is classified as Spiral (SAb) according to the Hubble and de Vaucouleurs galaxy morphological classification. The diagram below shows a visual representation of the position of IC 945 - Spiral Galaxy in Ursa Minor in the Hubble de Vaucouleurs sequence.

IC 945 - Spiral Galaxy in Ursa Minor
Visualization of the morphological classification of IC 945 - Spiral Galaxy in Ursa Minor, Spiral (SAb).
Credits for the background image: Antonio Ciccolella / M. De Leo / CC BY

Celestial coordinates and finder chart of IC 945

Celestial coordinates for the J2000 equinox of IC 945 are provided in the following table:

13h 47m 08s
+72° 04’ 13”

The simplified sky charts below show the position of IC 945 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 945 - Spiral Galaxy in Ursa Minor star
Simplified finder chart for IC 945 - Spiral Galaxy in Ursa Minor.

Finder chart IC 945 - Spiral Galaxy in Ursa Minor star
Simplified finder chart for IC 945 - Spiral Galaxy in Ursa Minor.

Rise ans set times of IC 945 from your location

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

IC 945 - Spiral Galaxy in Ursa Minor is circumpolar and transits at 08:41 UTC (altitude: 69.4°)