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IC 4538 - Intermediate Spiral Galaxy

IC 4538 is a Intermediate Spiral Galaxy in the Libra constellation. IC 4538 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.

IC 4538
Galaxy
Libra
  • IC 4538 is above the horizon from Greenwich, United Kingdom [change]. Its current altitude is 15° above the horizon. See also rise and set times.
  • Given its B magnitude of 12.83, IC 4538 is visible with the help of a telescope havng an aperture of 10 inches (250mm) or more.
Available Resources for IC 4538 - Intermediate Spiral Galaxy

Photometric information of IC 4538

The following table lists the magnitude of IC 4538 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).

12.83
10.44
9.77
9.5

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 4538.

23.39 mag/arcsec2

Apparent size of IC 4538

The following table reports IC 4538 apparent angular size. The green area displayed on top of the DSS2 image of IC 4538 is a visual representation of it.
2.48 arcmin
1.95 arcmin
55°

Digitized Sky Survey image of IC 4538

The image below is a photograph of IC 4538 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 4538 - Intermediate Spiral Galaxy star
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DSS2 image of IC 4538 in the Red band. The green region on the image is a representation of the major (2.48 arcmin) and minor (1.95 arcmin) axes of the object's apparent size.

IC 4538 - Intermediate Spiral Galaxy morphological classification

IC 4538 - Intermediate Spiral Galaxy is classified as Intermediate Spiral (SABc) according to the Hubble and de Vaucouleurs galaxy morphological classification. The diagram below shows a visual representation of the position of IC 4538 - Intermediate Spiral Galaxy in the Hubble de Vaucouleurs sequence.

IC 4538 - Intermediate Spiral Galaxy
Visualization of the morphological classification of IC 4538 - Intermediate Spiral Galaxy, Intermediate Spiral (SABc).
Credits for the background image: Antonio Ciccolella / M. De Leo / CC BY

Celestial coordinates and finder chart of IC 4538

Celestial coordinates for the J2000 equinox of IC 4538 are provided in the following table:

15h 21m 11s
-23° 39’ 29”

The simplified sky charts below show the position of IC 4538 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 4538 - Intermediate Spiral Galaxy star
Simplified finder chart for IC 4538 - Intermediate Spiral Galaxy.

Finder chart IC 4538 - Intermediate Spiral Galaxy star
Simplified finder chart for IC 4538 - Intermediate Spiral Galaxy.

Rise ans set times of IC 4538 from your location

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

Today's IC 4538 - Intermediate Spiral Galaxy rise, transit and set times from Greenwich, United Kingdom [change] are the following (all times relative to the local timezone Europe/London):

Azimuth: 113.7°
Max altitude: 14.9°
Azimuth: 246.3°
IC 4538 - Intermediate Spiral Galaxy is below the horizon from Greenwich, United Kingdom