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public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
north SunriseRise: 7:49  
clear_day Transit: 11:49  
SunsetSet: 15:50 south
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Other deep sky objects in Andromeda
All Constellations »  Andromeda »  Deep Sky Objects » 

NGC 317A - Spiral Galaxy in Andromeda

Altitude: 19.4°   Azimuth: 317.4°   Direction: North-West

NGC 317A is a Spiral Galaxy in the Andromeda constellation. NGC 317A is situated north of the celestial equator and, as such, it is more easily visible from the northern hemisphere.

NGC 317A
Galaxy
Andromeda

NGC 317A is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 19.4°
Azimuth: 317.4°
Direction: North-West

See also NGC 317A rise and set times.

Given its visual magnitude of 13.56, NGC 317A is visible with the help of a telescope having an aperture of 14 inches (350mm) or more.

Available Resources for NGC 317A - Spiral Galaxy in Andromeda

Photometric information of NGC 317A

The following table lists the magnitude of NGC 317A 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).

14.22
13.56
11.31
9.99
9.96

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 317A.

23.98 mag/arcsec2

Apparent size of NGC 317A

The following table reports NGC 317A apparent angular size. The green area displayed on top of the DSS2 image of NGC 317A is a visual representation of it.
1.21 arcmin
0.96 arcmin
7°

Digitized Sky Survey image of NGC 317A

The image below is a photograph of NGC 317A 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 317A - Spiral Galaxy in Andromeda star
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DSS2 image of NGC 317A in the Red band. The green region on the image is a representation of the major (1.21 arcmin) and minor (0.96 arcmin) axes of the object's apparent size.

NGC 317A - Spiral Galaxy in Andromeda morphological classification

NGC 317A - Spiral Galaxy in Andromeda is classified as Spiral (SAa) according to the Hubble and de Vaucouleurs galaxy morphological classification. The diagram below shows a visual representation of the position of NGC 317A - Spiral Galaxy in Andromeda in the Hubble de Vaucouleurs sequence.

NGC 317A - Spiral Galaxy in Andromeda
Visualization of the morphological classification of NGC 317A - Spiral Galaxy in Andromeda, Spiral (SAa).
Credits for the background image: Antonio Ciccolella / M. De Leo / CC BY

Celestial coordinates and finder chart of NGC 317A

Celestial coordinates for the J2000 equinox of NGC 317A are provided in the following table:

00h 57m 38s
+43° 48’ 02”

The simplified sky charts below show the position of NGC 317A 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 317A - Spiral Galaxy in Andromeda star
Simplified finder chart for NGC 317A - Spiral Galaxy in Andromeda.

Finder chart NGC 317A - Spiral Galaxy in Andromeda star
Simplified finder chart for NGC 317A - Spiral Galaxy in Andromeda.

Rise ans set times of NGC 317A from your location

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

NGC 317A - Spiral Galaxy in Andromeda is circumpolar and transits at 19:52 UTC (altitude: 82.3°)