We use cookies to deliver essential features and to measure their performance. By using this site you accept our Privacy Policies.
A Complete Guide to the Solar System and the Night Sky
Help keep this site free and ads-free! Donate Now!
public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
SunriseRise: 5:45  
clear_day Transit: 12:56  
SunsetSet: 20:09
sleep NighttimeWhat's Visible Now?
All Constellations »  Andromeda »  Deep Sky Objects » 

NGC 911 - Elliptical Galaxy in Andromeda

Altitude: 5.2°   Azimuth: 344.6°   Direction: North-North-West

NGC 911 is a Elliptical Galaxy in the Andromeda constellation. NGC 911 is situated north of the celestial equator and, as such, it is more easily visible from the northern hemisphere.

The image below is a photograph of NGC 911 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 NGC 911 - Elliptical Galaxy in Andromeda star
/>
DSS2 image of NGC 911 in the Red band. The green region on the image is a representation of the major (1.69 arcmin) and minor (0.84 arcmin) axes of the object's apparent size.

Key facts about NGC 911

NGC 911
Galaxy
Andromeda

NGC 911 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 5.2°
Azimuth: 344.6°
Direction: North-North-West

See also NGC 911 rise and set times.

Given its B magnitude of 14, NGC 911 is visible with the help of a telescope having an aperture of 14 inches (350mm) or more.

Available Resources for NGC 911 - Elliptical Galaxy in Andromeda

Photometric information of NGC 911

The following table lists the magnitude of NGC 911 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).

14
10.84
10.1
9.84

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 NGC 911.

23.91 mag/arcsec2

Apparent size of NGC 911

The following table reports NGC 911 apparent angular size. The green area displayed on top of the DSS2 image of NGC 911 is a visual representation of it.
1.69 arcmin
0.84 arcmin
115°

NGC 911 - Elliptical Galaxy in Andromeda morphological classification

NGC 911 - Elliptical Galaxy in Andromeda is classified as Elliptical (E) according to the Hubble and de Vaucouleurs galaxy morphological classification. The diagram below shows a visual representation of the position of NGC 911 - Elliptical Galaxy in Andromeda in the Hubble de Vaucouleurs sequence.

NGC 911 - Elliptical Galaxy in Andromeda
Visualization of the morphological classification of NGC 911 - Elliptical Galaxy in Andromeda, Elliptical (E).
Credits for the background image: Antonio Ciccolella / M. De Leo / CC BY

Celestial coordinates and finder chart of NGC 911

Celestial coordinates for the J2000 equinox of NGC 911 are provided in the following table:

02h 25m 41s
+41° 57’ 22”

The simplified sky charts below show the position of NGC 911 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 NGC 911 - Elliptical Galaxy in Andromeda star
Simplified finder chart for NGC 911 - Elliptical Galaxy in Andromeda.

Finder chart NGC 911 - Elliptical Galaxy in Andromeda star
Simplified finder chart for NGC 911 - Elliptical Galaxy in Andromeda.

Rise and set times of NGC 911 from your location

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

NGC 911 - Elliptical Galaxy in Andromeda is circumpolar and transits at 12:13 UTC (altitude: 80.5°)