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public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
north SunriseRise: 7:54  
clear_day Transit: 11:51  
SunsetSet: 15:49 south
wb_twilight  • Astronomical Twilight • What's Visible Now?

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Other deep sky objects in Ursa Major
All Constellations »  Ursa Major »  Deep Sky Objects » 

IC 938 - Spiral Galaxy in Ursa Major

Altitude: 72.2°   Azimuth: 65.0°   Direction: East-North-East

IC 938 is a Spiral Galaxy in the Ursa Major constellation. IC 938 is situated north of the celestial equator and, as such, it is more easily visible from the northern hemisphere.

IC 938
Galaxy
Ursa Major

IC 938 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 72.2°
Azimuth: 65.0°
Direction: East-North-East

See also IC 938 rise and set times.

Given its B magnitude of 16.5, IC 938 is visible only through long exposure photography.

Available Resources for IC 938 - Spiral Galaxy in Ursa Major

Photometric information of IC 938

The following table lists the magnitude of IC 938 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).

16.5

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 938.

24.04 mag/arcsec2

Apparent size of IC 938

The following table reports IC 938 apparent angular size. The green area displayed on top of the DSS2 image of IC 938 is a visual representation of it.
0.76 arcmin
0.29 arcmin
156°

Digitized Sky Survey image of IC 938

The image below is a photograph of IC 938 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 938 - Spiral Galaxy in Ursa Major star
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DSS2 image of IC 938 in the Red band. The green region on the image is a representation of the major (0.76 arcmin) and minor (0.29 arcmin) axes of the object's apparent size.

IC 938 - Spiral Galaxy in Ursa Major morphological classification

IC 938 - Spiral Galaxy in Ursa Major is classified as Spiral (SAab) according to the Hubble and de Vaucouleurs galaxy morphological classification. The diagram below shows a visual representation of the position of IC 938 - Spiral Galaxy in Ursa Major in the Hubble de Vaucouleurs sequence.

IC 938 - Spiral Galaxy in Ursa Major
Visualization of the morphological classification of IC 938 - Spiral Galaxy in Ursa Major, Spiral (SAab).
Credits for the background image: Antonio Ciccolella / M. De Leo / CC BY

Celestial coordinates and finder chart of IC 938

Celestial coordinates for the J2000 equinox of IC 938 are provided in the following table:

13h 44m 30s
+55° 37’ 38”

The simplified sky charts below show the position of IC 938 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 938 - Spiral Galaxy in Ursa Major star
Simplified finder chart for IC 938 - Spiral Galaxy in Ursa Major.

Finder chart IC 938 - Spiral Galaxy in Ursa Major star
Simplified finder chart for IC 938 - Spiral Galaxy in Ursa Major.

Rise ans set times of IC 938 from your location

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

IC 938 - Spiral Galaxy in Ursa Major is circumpolar and transits at 08:25 UTC (altitude: 85.9°)