IC 2947 - Barred Spiral Galaxy in Ursa Major
IC 2947 is a Barred Spiral Galaxy in the Ursa Major constellation. IC 2947 is situated north of the celestial equator and, as such, it is more easily visible from the northern hemisphere.
See also IC 2947 rise and set times.
Given its B magnitude of 14.6, IC 2947 is visible with the help of a telescope having an aperture of 20 inches (500mm) or more.
Photometric information of IC 2947
The following table lists the magnitude of IC 2947 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).
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 2947.
Apparent size of IC 2947The following table reports IC 2947 apparent angular size. The green area displayed on top of the DSS2 image of IC 2947 is a visual representation of it.
Digitized Sky Survey image of IC 2947
The image below is a photograph of IC 2947 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).
IC 2947 - Barred Spiral Galaxy in Ursa Major morphological classification
IC 2947 - Barred Spiral Galaxy in Ursa Major is classified as Barred Spiral (Bm) according to the Hubble and de Vaucouleurs galaxy morphological classification. The diagram below shows a visual representation of the position of IC 2947 - Barred Spiral Galaxy in Ursa Major in the Hubble de Vaucouleurs sequence.
Celestial coordinates and finder chart of IC 2947
Celestial coordinates for the J2000 equinox of IC 2947 are provided in the following table:
The simplified sky charts below show the position of IC 2947 in the sky. The first chart has a field of view of 60° while the second one has a field of view of 10°.
Rise ans set times of IC 2947 from your location
Today's IC 2947 - Barred Spiral Galaxy in Ursa Major rise, transit and set times from Greenwich, United Kingdom are the following (all times relative to the local timezone Europe/London):