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public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
SunriseRise: 5:43  
clear_day Transit: 12:56  
SunsetSet: 20:10
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All Constellations »  Triangulum Australe »  Deep Sky Objects » 

IC 4571 - Barred Spiral Galaxy in Triangulum Australe

Altitude: -73.0°   Azimuth: 163.7°   Direction: South-South-East

IC 4571 is a Barred Spiral Galaxy in the Triangulum Australe constellation. IC 4571 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 IC 4571 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 IC 4571 - Barred Spiral Galaxy in Triangulum Australe star
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DSS2 image of IC 4571 in the Red band. The green region on the image is a representation of the major (1.58 arcmin) and minor (0.57 arcmin) axes of the object's apparent size.

Key facts about IC 4571

IC 4571
Galaxy
Triangulum Australe

IC 4571 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -73.0°
Azimuth: 163.7°
Direction: South-South-East

See also IC 4571 rise and set times.

Given its B magnitude of 14.64, IC 4571 is visible with the help of a telescope having an aperture of 20 inches (500mm) or more.

Available Resources for IC 4571 - Barred Spiral Galaxy in Triangulum Australe

Photometric information of IC 4571

The following table lists the magnitude of IC 4571 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).

14.64
10.61
9.82
9.55

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 IC 4571.

22.94 mag/arcsec2

Apparent size of IC 4571

The following table reports IC 4571 apparent angular size. The green area displayed on top of the DSS2 image of IC 4571 is a visual representation of it.
1.58 arcmin
0.57 arcmin
139°

IC 4571 - Barred Spiral Galaxy in Triangulum Australe morphological classification

IC 4571 - Barred Spiral Galaxy in Triangulum Australe 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 IC 4571 - Barred Spiral Galaxy in Triangulum Australe in the Hubble de Vaucouleurs sequence.

IC 4571 - Barred Spiral Galaxy in Triangulum Australe
Visualization of the morphological classification of IC 4571 - Barred Spiral Galaxy in Triangulum Australe, Barred Spiral (Bb).
Credits for the background image: Antonio Ciccolella / M. De Leo / CC BY

Celestial coordinates and finder chart of IC 4571

Celestial coordinates for the J2000 equinox of IC 4571 are provided in the following table:

15h 48m 51s
-67° 19’ 24”

The simplified sky charts below show the position of IC 4571 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 IC 4571 - Barred Spiral Galaxy in Triangulum Australe star
Simplified finder chart for IC 4571 - Barred Spiral Galaxy in Triangulum Australe.

Finder chart IC 4571 - Barred Spiral Galaxy in Triangulum Australe star
Simplified finder chart for IC 4571 - Barred Spiral Galaxy in Triangulum Australe.

Rise and set times of IC 4571 from your location

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

IC 4571 - Barred Spiral Galaxy in Triangulum Australe is currently not visible from Greenwich, United Kingdom edit_location_alt