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🌎  Greenwich, United Kingdom [change]

NGC 6921 - Lenticular Galaxy in Vulpecula

NGC 6921 is a Lenticular Galaxy in the Vulpecula constellation. NGC 6921 is situated north of the celestial equator and, as such, it is more easily visible from the northern hemisphere.

NGC 6921
Galaxy
Vulpecula
  • NGC 6921 is below the horizon from Greenwich, United Kingdom [change]. See also rise and set times.
  • Given its B magnitude of 15, NGC 6921 is visible with the help of a telescope havng an aperture of 20 inches (500mm) or more.
Available Resources for NGC 6921 - Lenticular Galaxy in Vulpecula

Photometric information of NGC 6921

The following table lists the magnitude of NGC 6921 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).

15
10.01
9.18
8.84

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 6921.

23.01 mag/arcsec2

Apparent size of NGC 6921

The following table reports NGC 6921 apparent angular size. The green area displayed on top of the DSS2 image of NGC 6921 is a visual representation of it.
1.08 arcmin
0.35 arcmin
141°

Digitized Sky Survey image of NGC 6921

The image below is a photograph of NGC 6921 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 6921 - Lenticular Galaxy in Vulpecula star
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DSS2 image of NGC 6921 in the Red band. The green region on the image is a representation of the major (1.08 arcmin) and minor (0.35 arcmin) axes of the object's apparent size.

NGC 6921 - Lenticular Galaxy in Vulpecula morphological classification

NGC 6921 - Lenticular Galaxy in Vulpecula is classified as Lenticular (S0-Aa) according to the Hubble and de Vaucouleurs galaxy morphological classification. The diagram below shows a visual representation of the position of NGC 6921 - Lenticular Galaxy in Vulpecula in the Hubble de Vaucouleurs sequence.

NGC 6921 - Lenticular Galaxy in Vulpecula
Visualization of the morphological classification of NGC 6921 - Lenticular Galaxy in Vulpecula, Lenticular (S0-Aa).
Credits for the background image: Antonio Ciccolella / M. De Leo / CC BY

Celestial coordinates and finder chart of NGC 6921

Celestial coordinates for the J2000 equinox of NGC 6921 are provided in the following table:

20h 28m 28s
+25° 43’ 24”

The simplified sky charts below show the position of NGC 6921 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 6921 - Lenticular Galaxy in Vulpecula star
Simplified finder chart for NGC 6921 - Lenticular Galaxy in Vulpecula.

Finder chart NGC 6921 - Lenticular Galaxy in Vulpecula star
Simplified finder chart for NGC 6921 - Lenticular Galaxy in Vulpecula.

Rise ans set times of NGC 6921 from your location

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

Today's NGC 6921 - Lenticular Galaxy in Vulpecula rise, transit and set times from Greenwich, United Kingdom [change] are the following (all times relative to the local timezone Europe/London):

Azimuth: 64.3°
Max altitude: 64.2°
Azimuth: 295.7°
NGC 6921 - Lenticular Galaxy in Vulpecula is below the horizon from Greenwich, United Kingdom