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public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
north SunriseRise: 6:44  
clear_day Transit: 12:51  
SunsetSet: 18:57 south
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All Constellations »  Aries »  Deep Sky Objects » 

NGC 870 - Galaxy in Aries

Altitude: 32.1°   Azimuth: 108.2°   Direction: East-South-East

NGC 870 is a Galaxy in the Aries constellation. NGC 870 is situated close to the celestial equator and, as such, it is at least partly visible from both hemispheres in certain times of the year.

NGC 870

NGC 870 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 32.1°
Azimuth: 108.2°
Direction: East-South-East

See also NGC 870 rise and set times.

Given its B magnitude of 16, NGC 870 is visible only through long exposure photography.

Available Resources for NGC 870 - Galaxy in Aries

Photometric information of NGC 870

The following table lists the magnitude of NGC 870 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).


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 870.

22.98 mag/arcsec2

Apparent size of NGC 870

The following table reports NGC 870 apparent angular size. The green area displayed on top of the DSS2 image of NGC 870 is a visual representation of it.
0.37 arcmin
0.34 arcmin

Digitized Sky Survey image of NGC 870

The image below is a photograph of NGC 870 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 870 - Galaxy in Aries star
DSS2 image of NGC 870 in the Red band. The green region on the image is a representation of the major (0.37 arcmin) and minor (0.34 arcmin) axes of the object's apparent size.

Celestial coordinates and finder chart of NGC 870

Celestial coordinates for the J2000 equinox of NGC 870 are provided in the following table:

02h 17m 08s
+14° 31’ 23”

The simplified sky charts below show the position of NGC 870 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 870 - Galaxy in Aries star
Simplified finder chart for NGC 870 - Galaxy in Aries.

Finder chart NGC 870 - Galaxy in Aries star
Simplified finder chart for NGC 870 - Galaxy in Aries.

Rise ans set times of NGC 870 from your location

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

Today's NGC 870 - Galaxy in Aries rise, transit and set times from Greenwich, United Kingdom edit_location_alt are the following (all times relative to the local timezone Europe/London):

Azimuth: 75.5°
Max altitude: 53.0°
Azimuth: 284.5°