We use cookies to deliver essential features and to measure their performance. By using this site you accept our Privacy Policies.
A Complete Guide to the Solar System and the Night Sky
Your support keeps us free & ad-free » Donate
public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
SunriseRise: 7:01  
clear_day Transit: 12:12  
SunsetSet: 17:24
sunny DaytimeWhat's Visible Now?
All Constellations »  Tucana »  Deep Sky Objects » 

NGC 7733 - Barred Spiral Galaxy in Tucana

Altitude: -27.5°   Azimuth: 181.6°   Direction: South

NGC 7733 is a Barred Spiral Galaxy in the Tucana constellation. NGC 7733 is situated south of the celestial equator and, as such, it is more easily visible from the southern hemisphere.

The image below is a photograph of NGC 7733 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 7733 - Barred Spiral Galaxy in Tucana star
/>
DSS2 image of NGC 7733 in the Red band. The green region on the image is a representation of the major (1.26 arcmin) and minor (0.6 arcmin) axes of the object's apparent size.

Key facts about NGC 7733

NGC 7733
Galaxy
Tucana

NGC 7733 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -27.5°
Azimuth: 181.6°
Direction: South

See also NGC 7733 rise and set times.

Given its B magnitude of 14.49, NGC 7733 is visible with the help of a telescope having an aperture of 14 inches (350mm) or more.

Available Resources for NGC 7733 - Barred Spiral Galaxy in Tucana

Photometric information of NGC 7733

The following table lists the magnitude of NGC 7733 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).

14.49
11.95
11.26
10.93

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 7733.

23.01 mag/arcsec2

Apparent size of NGC 7733

The following table reports NGC 7733 apparent angular size. The green area displayed on top of the DSS2 image of NGC 7733 is a visual representation of it.
1.26 arcmin
0.6 arcmin
104°

NGC 7733 - Barred Spiral Galaxy in Tucana morphological classification

NGC 7733 - Barred Spiral Galaxy in Tucana 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 7733 - Barred Spiral Galaxy in Tucana in the Hubble de Vaucouleurs sequence.

NGC 7733 - Barred Spiral Galaxy in Tucana
Visualization of the morphological classification of NGC 7733 - Barred Spiral Galaxy in Tucana, Barred Spiral (Bb).
Credits for the background image: Antonio Ciccolella / M. De Leo / CC BY

Celestial coordinates and finder chart of NGC 7733

Celestial coordinates for the J2000 equinox of NGC 7733 are provided in the following table:

23h 42m 33s
-65° 57’ 23”

The simplified sky charts below show the position of NGC 7733 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 7733 - Barred Spiral Galaxy in Tucana star
Simplified finder chart for NGC 7733 - Barred Spiral Galaxy in Tucana.

Finder chart NGC 7733 - Barred Spiral Galaxy in Tucana star
Simplified finder chart for NGC 7733 - Barred Spiral Galaxy in Tucana.

Rise and set times of NGC 7733 from your location

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

NGC 7733 - Barred Spiral Galaxy in Tucana is currently not visible from Greenwich, United Kingdom edit_location_alt