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Sky-Tonight.com/Nebulae and Deep-Sky Objects/M108
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Observation Settings

Or select it on the map:
This Earth map lets you select the observer’s location used to calculate the bearing and elevation of celestial objects. The selected point determines how the sky, rise and set times, and object positions are shown.
Your location: Santa Clara, United States
Timezone:
Latitude:
37.3541
Longitude:
-121.955

M108 Position and Visibility Tonight

M108

Where is M108 right now?

M108 is located in the constellation Ursa Major. It is currently above the horizon at an altitude of 33° toward the north-east, with an apparent magnitude of 10.05.
Open the interactive guide to M108’s position and path tonight

M108 tonight

M108 tonight

M108 visibility on 2026-10-25

M108 Visible all night

M108 rise and set timetable

TimeElevation
M108 is always above the horizon
M108 transit08:0672°
Moonrise, 98.1% illuminated 15:1721°
Sunset16:1715°
Civil sunset16:4512°
Twilight start (−12°)17:1510°
Astronomical observing session begins17:468°
M108 is always above the horizon
Astronomical observing session ends03:5846°
Twilight end (−12°)04:2850°
Moonset04:5754°
Civil sunrise04:5854°
Sunrise05:2658°

Track M108 position throughout the night

← 25 October 2026 →

Elevation (degrees)
Time
Altitude
Azimuth
Shift the map to change the time and observe M108 changing position in the night sky.

M108 - Surfboard Galaxy

The Surfboard Galaxy (M108) is a barred spiral galaxy located in the constellation Ursa Major. It was discovered by Pierre Méchain in 1781 and later cataloged by Charles Messier. M108 is known for its edge-on orientation and bright central bar.

M108 spans about 100,000 light-years across and contains a massive population of stars, gas, and dust. The galaxy is approximately 45 million light-years away from Earth and has an apparent magnitude of 10.0, making it visible with a small telescope.

Finder Chart for M108

Field of view 5.0°

Loading finder chart…
Loading interactive map…

Open the step-by-step guide View on Sky Map

M108 Passage Through Night

Double-click to unlock the map.

Current position of M108

Time02:22
Latitude37.3541
Longitude-121.955
Elevation33°
Azimuth42°
Here you can see the current position of M108 on the map, as well as its positions for rise and set. This tool lets you track its movement throughout the night with accurate, up-to-date information.

When Is M108 Visible Throughout the Year?

M108 will remain visible until August 9, when it moves too close to the Sun and temporarily disappears from the night sky. Time
DateMon, 26 October 2026
Astronomical observing session begins17:40
Astronomical observing session ends03:52
Astronomical observing duration10h 12m
RiseM108 is always up
SetM108 is always up
Elevation at transit72°
Transit time07:59
Equatorial coordinatesRA: 11h 11m 30s", Dec: 55° 40' 26s
Magnitude10
ConstellationUrsa Major
The graph illustrates the annual visibility pattern of M108, including its daily appearances and transit times. The vertical axis shows the hours of the day and the horizontal axis spans the year. The reddish area marks when the object is above the horizon, while the white line marks its daily transit.
You can also see when M108 is visible throughout the year in a table with exact rise, transit, and set times for each date.

Astrometric and Physical Parameters of M108

Coordinates and Visibility

Right Ascension11h 11m 31s
Declination55° 40′ 27″
Magnitude10.05
ConstellationUrsa Major
Elevation32.6°
Azimuth41.8°

More about M108

  • Where is M108 right now?
  • How to find M108

Data Credits

The deep-sky information on this page comes from the OpenNGC project developed by Matteo Verga. OpenNGC provides detailed catalog data for nebulae, galaxies, clusters and other deep-sky objects.

For details or contributions, visit the official repository: OpenNGC GitHub.