Your guide to the Solar System and the night sky
🌎 Location: Greenwich, United Kingdom [change]

IC 391 - Spiral Galaxy

IC 391 is a Spiral Galaxy in the Camelopardalis constellation. IC 391 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 391
Galaxy
Camelopardalis
  • IC 391 is above the horizon from Greenwich, United Kingdom [change]. Its current altitude is 41° above the horizon. See also rise and set times.
  • Given its B magnitude of 12.8, IC 391 is visible with the help of a telescope havng an aperture of 10 inches (250mm) or more.
Available Resources for IC 391 - Spiral Galaxy

Photometric information of IC 391

The following table lists the magnitude of IC 391 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).

12.8
10.84
10.17
9.93

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 391.

22.41 mag/arcsec2

Apparent size of IC 391

The following table reports IC 391 apparent angular size. The green area displayed on top of the DSS2 image of IC 391 is a visual representation of it.
1.39 arcmin
1.33 arcmin
25°

Digitized Sky Survey image of IC 391

The image below is a photograph of IC 391 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 391 - Spiral Galaxy star
/>
DSS2 image of IC 391 in the Red band. The green region on the image is a representation of the major (1.39 arcmin) and minor (1.33 arcmin) axes of the object's apparent size.

IC 391 - Spiral Galaxy morphological classification

IC 391 - Spiral Galaxy is classified as Spiral (SAc) according to the Hubble and de Vaucouleurs galaxy morphological classification. The diagram below shows a visual representation of the position of IC 391 - Spiral Galaxy in the Hubble de Vaucouleurs sequence.

IC 391 - Spiral Galaxy
Visualization of the morphological classification of IC 391 - Spiral Galaxy, Spiral (SAc).
Credits for the background image: Antonio Ciccolella / M. De Leo / CC BY

Celestial coordinates and finder chart of IC 391

Celestial coordinates for the J2000 equinox of IC 391 are provided in the following table:

04h 57m 20s
+78° 11’ 19”

The simplified sky charts below show the position of IC 391 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 391 - Spiral Galaxy star
Simplified finder chart for IC 391 - Spiral Galaxy.

Finder chart IC 391 - Spiral Galaxy star
Simplified finder chart for IC 391 - Spiral Galaxy.

Rise ans set times of IC 391 from your location

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

IC 391 - Spiral Galaxy is circumpolar and transits at 02:33 UTC (altitude: 63.3°)