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public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
north SunriseRise: 4:44  
clear_day Transit: 12:57  
SunsetSet: 21:11 south
sunny  • Daytime • What's Visible Now

In Evidence

Best Places to See the 2024 American Eclipse Based on Historical Weather Data
Using historical cloud coverage data we suggest the locations that could provide the better chances to have clear skies on April 8, 2024 to observe the eclipse. Read more...

Other deep sky objects in Grus
All Constellations »  Grus »  Deep Sky Objects » 

NGC 7456 - Spiral Galaxy in Grus

Altitude: -26.9°   Azimuth: 239.4°   Direction: West-South-West

NGC 7456 is a Spiral Galaxy in the Grus constellation. NGC 7456 is situated south of the celestial equator and, as such, it is more easily visible from the southern hemisphere.

NGC 7456
Galaxy
Grus

NGC 7456 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -26.9°
Azimuth: 239.4°
Direction: West-South-West

See also NGC 7456 rise and set times.

Given its B magnitude of 12.27, NGC 7456 is visible with the help of a telescope having an aperture of 8 inches (200mm) or more.

Available Resources for NGC 7456 - Spiral Galaxy in Grus

Photometric information of NGC 7456

The following table lists the magnitude of NGC 7456 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).

12.27
10.19
9.56
9.36

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 7456.

23.74 mag/arcsec2

Apparent size of NGC 7456

The following table reports NGC 7456 apparent angular size. The green area displayed on top of the DSS2 image of NGC 7456 is a visual representation of it.
5.15 arcmin
1.76 arcmin
22°

Digitized Sky Survey image of NGC 7456

The image below is a photograph of NGC 7456 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 7456 - Spiral Galaxy in Grus star
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DSS2 image of NGC 7456 in the Red band. The green region on the image is a representation of the major (5.15 arcmin) and minor (1.76 arcmin) axes of the object's apparent size.

NGC 7456 - Spiral Galaxy in Grus morphological classification

NGC 7456 - Spiral Galaxy in Grus is classified as Spiral (SAc) according to the Hubble and de Vaucouleurs galaxy morphological classification. The diagram below shows a visual representation of the position of NGC 7456 - Spiral Galaxy in Grus in the Hubble de Vaucouleurs sequence.

NGC 7456 - Spiral Galaxy in Grus
Visualization of the morphological classification of NGC 7456 - Spiral Galaxy in Grus, Spiral (SAc).
Credits for the background image: Antonio Ciccolella / M. De Leo / CC BY

Celestial coordinates and finder chart of NGC 7456

Celestial coordinates for the J2000 equinox of NGC 7456 are provided in the following table:

23h 02m 09s
-39° 34’ 09”

The simplified sky charts below show the position of NGC 7456 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 7456 - Spiral Galaxy in Grus star
Simplified finder chart for NGC 7456 - Spiral Galaxy in Grus.

Finder chart NGC 7456 - Spiral Galaxy in Grus star
Simplified finder chart for NGC 7456 - Spiral Galaxy in Grus.

Rise ans set times of NGC 7456 from your location

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

NGC 7456 - Spiral Galaxy in Grus is currently not visible from Greenwich, United Kingdom edit_location_alt