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🌎  Greenwich, United Kingdom [change]

NGC 6923 - Barred Spiral Galaxy in Microscopium

NGC 6923 is a Barred Spiral Galaxy in the Microscopium constellation. NGC 6923 is situated south of the celestial equator and, as such, it is more easily visible from the southern emisphere.

NGC 6923
Galaxy
Microscopium
  • NGC 6923 is above the horizon from Greenwich, United Kingdom [change]. Its current altitude is 2° above the horizon. See also rise and set times.
  • Given its visual magnitude of 12.09, NGC 6923 is visible with the help of a telescope havng an aperture of 8 inches (200mm) or more.
Available Resources for NGC 6923 - Barred Spiral Galaxy in Microscopium

Photometric information of NGC 6923

The following table lists the magnitude of NGC 6923 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).

12.8
12.09
9.65
8.87
8.81

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 6923.

22.99 mag/arcsec2

Apparent size of NGC 6923

The following table reports NGC 6923 apparent angular size. The green area displayed on top of the DSS2 image of NGC 6923 is a visual representation of it.
2.54 arcmin
1.24 arcmin
76°

Digitized Sky Survey image of NGC 6923

The image below is a photograph of NGC 6923 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 6923 - Barred Spiral Galaxy in Microscopium star
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DSS2 image of NGC 6923 in the Red band. The green region on the image is a representation of the major (2.54 arcmin) and minor (1.24 arcmin) axes of the object's apparent size.

NGC 6923 - Barred Spiral Galaxy in Microscopium morphological classification

NGC 6923 - Barred Spiral Galaxy in Microscopium is classified as Barred Spiral (Bb) according to the Hubble and de Vaucouleurs galaxy morphological classification. The diagram below shows a visual representation of the position of NGC 6923 - Barred Spiral Galaxy in Microscopium in the Hubble de Vaucouleurs sequence.

NGC 6923 - Barred Spiral Galaxy in Microscopium
Visualization of the morphological classification of NGC 6923 - Barred Spiral Galaxy in Microscopium, Barred Spiral (Bb).
Credits for the background image: Antonio Ciccolella / M. De Leo / CC BY

Celestial coordinates and finder chart of NGC 6923

Celestial coordinates for the J2000 equinox of NGC 6923 are provided in the following table:

20h 31m 38s
-30° 49’ 54”

The simplified sky charts below show the position of NGC 6923 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 6923 - Barred Spiral Galaxy in Microscopium star
Simplified finder chart for NGC 6923 - Barred Spiral Galaxy in Microscopium.

Finder chart NGC 6923 - Barred Spiral Galaxy in Microscopium star
Simplified finder chart for NGC 6923 - Barred Spiral Galaxy in Microscopium.

Rise ans set times of NGC 6923 from your location

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

Today's NGC 6923 - Barred Spiral Galaxy in Microscopium rise, transit and set times from Greenwich, United Kingdom [change] are the following (all times relative to the local timezone Europe/London):

Azimuth: 120.8°
Max altitude: 7.7°
Azimuth: 239.2°
NGC 6923 - Barred Spiral Galaxy in Microscopium is below the horizon from Greenwich, United Kingdom