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public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
north SunriseRise: 6:54  
clear_day Transit: 12:49  
SunsetSet: 18:43 south
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Other deep sky objects in Ursa Major
All Constellations »  Ursa Major »  Deep Sky Objects » 

Messier 108 - Spiral Galaxy in Ursa Major

Altitude: 66.7°   Azimuth: 295.8°   Direction: West-North-West

Messier 108 is a Spiral Galaxy in the Ursa Major constellation. Messier 108 is situated north of the celestial equator and, as such, it is more easily visible from the northern hemisphere.

Messier 108
Galaxy
Ursa Major

Messier 108 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 66.7°
Azimuth: 295.8°
Direction: West-North-West

See also Messier 108 rise and set times.

Given its visual magnitude of 10.06, Messier 108 is visible with the help of a binocular with a 80mm aperture or a small telescope.

Available Resources for Messier 108 - Spiral Galaxy in Ursa Major

Photometric information of Messier 108

The following table lists the magnitude of Messier 108 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).

10.7
10.06
8.02
7.37
7.04

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 Messier 108.

21.7 mag/arcsec2

Apparent size of Messier 108

The following table reports Messier 108 apparent angular size. The green area displayed on top of the DSS2 image of Messier 108 is a visual representation of it.
3.98 arcmin
1.66 arcmin
79°

Digitized Sky Survey image of Messier 108

The image below is a photograph of Messier 108 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 Messier 108 - Spiral Galaxy in Ursa Major star
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DSS2 image of Messier 108 in the Red band. The green region on the image is a representation of the major (3.98 arcmin) and minor (1.66 arcmin) axes of the object's apparent size.

Messier 108 - Spiral Galaxy in Ursa Major morphological classification

Messier 108 - Spiral Galaxy in Ursa Major 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 Messier 108 - Spiral Galaxy in Ursa Major in the Hubble de Vaucouleurs sequence.

Messier 108 - Spiral Galaxy in Ursa Major
Visualization of the morphological classification of Messier 108 - Spiral Galaxy in Ursa Major, Spiral (SAc).
Credits for the background image: Antonio Ciccolella / M. De Leo / CC BY

Celestial coordinates and finder chart of Messier 108

Celestial coordinates for the J2000 equinox of Messier 108 are provided in the following table:

11h 11m 30s
+55° 40’ 26”

The simplified sky charts below show the position of Messier 108 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 Messier 108 - Spiral Galaxy in Ursa Major star
Simplified finder chart for Messier 108 - Spiral Galaxy in Ursa Major.

Finder chart Messier 108 - Spiral Galaxy in Ursa Major star
Simplified finder chart for Messier 108 - Spiral Galaxy in Ursa Major.

Rise ans set times of Messier 108 from your location

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

Messier 108 - Spiral Galaxy in Ursa Major is circumpolar and transits at 10:43 UTC (altitude: 85.8°)