IC 4721 - Galaxy in Pavo
IC 4721 is a Galaxy in the Pavo constellation. IC 4721 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 4721 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).
Key facts about IC 4721
IC 4721 is below the horizon from Greenwich, United Kingdom .
Altitude: -20.2°
Azimuth: 184.3°
Direction: South
See also IC 4721 rise and set times.
Given its visual magnitude of 11.63, IC 4721 is visible with the help of a telescope having an aperture of 8 inches (200mm) or more.
Photometric information of IC 4721
The following table lists the magnitude of IC 4721 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).
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 4721.
Apparent size of IC 4721
The following table reports IC 4721 apparent angular size. The green area displayed on top of the DSS2 image of IC 4721 is a visual representation of it.IC 4721 - Galaxy in Pavo morphological classification
IC 4721 - Galaxy in Pavo is classified as according to the Hubble and de Vaucouleurs galaxy morphological classification. The diagram below shows a visual representation of the position of IC 4721 - Galaxy in Pavo in the Hubble de Vaucouleurs sequence.
Credits for the background image: Antonio Ciccolella / M. De Leo / CC BY
Celestial coordinates and finder chart of IC 4721
Celestial coordinates for the J2000 equinox of IC 4721 are provided in the following table:
The simplified sky charts below show the position of IC 4721 in the sky. The first chart has a field of view of 60° while the second one has a field of view of 10°.
Rise and set times of IC 4721 from your location
Location: Greenwich, United Kingdom
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
Timezone: Europe/London
IC 4721 - Galaxy in Pavo is currently not visible from Greenwich, United Kingdom