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public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
north SunriseRise: 6:54  
clear_day Transit: 12:49  
SunsetSet: 18:43 south
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Other deep sky objects in Hydra
All Constellations »  Hydra »  Deep Sky Objects » 

IC 531 - Spiral Galaxy in Hydra

Altitude: 37.9°   Azimuth: 171.5°   Direction: South

IC 531 is a Spiral Galaxy in the Hydra constellation. IC 531 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 531
Galaxy
Hydra

IC 531 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 37.9°
Azimuth: 171.5°
Direction: South

See also IC 531 rise and set times.

Given its B magnitude of 14.44, IC 531 is visible with the help of a telescope having an aperture of 14 inches (350mm) or more.

Available Resources for IC 531 - Spiral Galaxy in Hydra

Photometric information of IC 531

The following table lists the magnitude of IC 531 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).

14.44
11.91
11.02
10.67

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 531.

22.73 mag/arcsec2

Apparent size of IC 531

The following table reports IC 531 apparent angular size. The green area displayed on top of the DSS2 image of IC 531 is a visual representation of it.
0.79 arcmin
0.42 arcmin
60°

Digitized Sky Survey image of IC 531

The image below is a photograph of IC 531 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 531 - Spiral Galaxy in Hydra star
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DSS2 image of IC 531 in the Red band. The green region on the image is a representation of the major (0.79 arcmin) and minor (0.42 arcmin) axes of the object's apparent size.

IC 531 - Spiral Galaxy in Hydra morphological classification

IC 531 - Spiral Galaxy in Hydra is classified as Spiral (SAab) according to the Hubble and de Vaucouleurs galaxy morphological classification. The diagram below shows a visual representation of the position of IC 531 - Spiral Galaxy in Hydra in the Hubble de Vaucouleurs sequence.

IC 531 - Spiral Galaxy in Hydra
Visualization of the morphological classification of IC 531 - Spiral Galaxy in Hydra, Spiral (SAab).
Credits for the background image: Antonio Ciccolella / M. De Leo / CC BY

Celestial coordinates and finder chart of IC 531

Celestial coordinates for the J2000 equinox of IC 531 are provided in the following table:

09h 17m 50s
-00° 16’ 42”

The simplified sky charts below show the position of IC 531 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 531 - Spiral Galaxy in Hydra star
Simplified finder chart for IC 531 - Spiral Galaxy in Hydra.

Finder chart IC 531 - Spiral Galaxy in Hydra star
Simplified finder chart for IC 531 - Spiral Galaxy in Hydra.

Rise ans set times of IC 531 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 IC 531 - Spiral Galaxy in Hydra 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: 90.3°
Max altitude: 38.2°
Azimuth: 269.7°