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public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
north SunriseRise: 4:47  
clear_day Transit: 12:56  
SunsetSet: 21:06 south
sunny  • Daytime • What's Visible Now

In Evidence

Best Places to See the 2024 American Eclipse Based on Historical Weather Data
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Other deep sky objects in Aries
All Constellations »  Aries »  Deep Sky Objects » 

NGC 781 - Spiral Galaxy in Aries

NGC 781 is a Spiral Galaxy in the Aries constellation. NGC 781 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 781
Galaxy
Aries
  • NGC 781 is above the horizon from Greenwich, United Kingdom edit_location_alt. Its current altitude is 51° above the horizon. See also rise and set times.
  • Given its B magnitude of 14, NGC 781 is visible with the help of a telescope having an aperture of 14 inches (350mm) or more.
Available Resources for NGC 781 - Spiral Galaxy in Aries

Photometric information of NGC 781

The following table lists the magnitude of NGC 781 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
10.98
10.25
10.03

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 781.

22.92 mag/arcsec2

Apparent size of NGC 781

The following table reports NGC 781 apparent angular size. The green area displayed on top of the DSS2 image of NGC 781 is a visual representation of it.
1.47 arcmin
0.41 arcmin
12°

Digitized Sky Survey image of NGC 781

The image below is a photograph of NGC 781 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 781 - Spiral Galaxy in Aries star
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DSS2 image of NGC 781 in the Red band. The green region on the image is a representation of the major (1.47 arcmin) and minor (0.41 arcmin) axes of the object's apparent size.

NGC 781 - Spiral Galaxy in Aries morphological classification

NGC 781 - Spiral Galaxy in Aries 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 781 - Spiral Galaxy in Aries in the Hubble de Vaucouleurs sequence.

NGC 781 - Spiral Galaxy in Aries
Visualization of the morphological classification of NGC 781 - Spiral Galaxy in Aries, Spiral (SAa).
Credits for the background image: Antonio Ciccolella / M. De Leo / CC BY

Celestial coordinates and finder chart of NGC 781

Celestial coordinates for the J2000 equinox of NGC 781 are provided in the following table:

02h 00m 08s
+12° 39’ 21”

The simplified sky charts below show the position of NGC 781 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 781 - Spiral Galaxy in Aries star
Simplified finder chart for NGC 781 - Spiral Galaxy in Aries.

Finder chart NGC 781 - Spiral Galaxy in Aries star
Simplified finder chart for NGC 781 - Spiral Galaxy in Aries.

Rise ans set times of NGC 781 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 781 - Spiral 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: 77.3°
Max altitude: 51.2°
Azimuth: 282.7°
NGC 781 - Spiral Galaxy in Aries is below the horizon from Greenwich, United Kingdom