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🌎  Greenwich, United Kingdom [change]

IC 4621 - Spiral Galaxy in Ophiuchus

IC 4621 is a Spiral Galaxy in the Ophiuchus constellation. IC 4621 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 4621
Galaxy
Ophiuchus
  • IC 4621 is above the horizon from Greenwich, United Kingdom [change]. Its current altitude is 33° above the horizon. See also rise and set times.
  • Given its B magnitude of 15, IC 4621 is visible with the help of a telescope havng an aperture of 20 inches (500mm) or more.
Available Resources for IC 4621 - Spiral Galaxy in Ophiuchus

Photometric information of IC 4621

The following table lists the magnitude of IC 4621 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).

15
12.1
11.35
11.09

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 4621.

23.27 mag/arcsec2

Apparent size of IC 4621

The following table reports IC 4621 apparent angular size. The green area displayed on top of the DSS2 image of IC 4621 is a visual representation of it.
0.81 arcmin
0.62 arcmin
151°

Digitized Sky Survey image of IC 4621

The image below is a photograph of IC 4621 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 4621 - Spiral Galaxy in Ophiuchus star
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DSS2 image of IC 4621 in the Red band. The green region on the image is a representation of the major (0.81 arcmin) and minor (0.62 arcmin) axes of the object's apparent size.

IC 4621 - Spiral Galaxy in Ophiuchus morphological classification

IC 4621 - Spiral Galaxy in Ophiuchus 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 4621 - Spiral Galaxy in Ophiuchus in the Hubble de Vaucouleurs sequence.

IC 4621 - Spiral Galaxy in Ophiuchus
Visualization of the morphological classification of IC 4621 - Spiral Galaxy in Ophiuchus, Spiral (SAab).
Credits for the background image: Antonio Ciccolella / M. De Leo / CC BY

Celestial coordinates and finder chart of IC 4621

Celestial coordinates for the J2000 equinox of IC 4621 are provided in the following table:

16h 50m 51s
+08° 47’ 01”

The simplified sky charts below show the position of IC 4621 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 4621 - Spiral Galaxy in Ophiuchus star
Simplified finder chart for IC 4621 - Spiral Galaxy in Ophiuchus.

Finder chart IC 4621 - Spiral Galaxy in Ophiuchus star
Simplified finder chart for IC 4621 - Spiral Galaxy in Ophiuchus.

Rise ans set times of IC 4621 from your location

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

Today's IC 4621 - Spiral Galaxy in Ophiuchus rise, transit and set times from Greenwich, United Kingdom [change] are the following (all times relative to the local timezone Europe/London):

Azimuth: 81.2°
Max altitude: 47.3°
Azimuth: 278.8°
IC 4621 - Spiral Galaxy in Ophiuchus is below the horizon from Greenwich, United Kingdom