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IC 642 - Elliptical/Spiral Galaxy in Leo

IC 642 is a Elliptical/Spiral Galaxy in the Leo constellation. IC 642 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 642
Galaxy
Leo
  • IC 642 is above the horizon from Greenwich, United Kingdom [change]. Its current altitude is 11° above the horizon. See also rise and set times.
  • Given its B magnitude of 14, IC 642 is visible with the help of a telescope havng an aperture of 14 inches (350mm) or more.
Available Resources for IC 642 - Elliptical/Spiral Galaxy in Leo

Photometric information of IC 642

The following table lists the magnitude of IC 642 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
10.64
9.91
9.72

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 642.

23.41 mag/arcsec2

Apparent size of IC 642

The following table reports IC 642 apparent angular size. The green area displayed on top of the DSS2 image of IC 642 is a visual representation of it.
1.45 arcmin
1.36 arcmin
19°

Digitized Sky Survey image of IC 642

The image below is a photograph of IC 642 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 642 - Elliptical/Spiral Galaxy in Leo star
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DSS2 image of IC 642 in the Red band. The green region on the image is a representation of the major (1.45 arcmin) and minor (1.36 arcmin) axes of the object's apparent size.

IC 642 - Elliptical/Spiral Galaxy in Leo morphological classification

IC 642 - Elliptical/Spiral Galaxy in Leo is classified as Elliptical/Spiral (E-S0) according to the Hubble and de Vaucouleurs galaxy morphological classification. The diagram below shows a visual representation of the position of IC 642 - Elliptical/Spiral Galaxy in Leo in the Hubble de Vaucouleurs sequence.

IC 642 - Elliptical/Spiral Galaxy in Leo
Visualization of the morphological classification of IC 642 - Elliptical/Spiral Galaxy in Leo, Elliptical/Spiral (E-S0).
Credits for the background image: Antonio Ciccolella / M. De Leo / CC BY

Celestial coordinates and finder chart of IC 642

Celestial coordinates for the J2000 equinox of IC 642 are provided in the following table:

10h 48m 07s
+18° 11’ 19”

The simplified sky charts below show the position of IC 642 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 642 - Elliptical/Spiral Galaxy in Leo star
Simplified finder chart for IC 642 - Elliptical/Spiral Galaxy in Leo.

Finder chart IC 642 - Elliptical/Spiral Galaxy in Leo star
Simplified finder chart for IC 642 - Elliptical/Spiral Galaxy in Leo.

Rise ans set times of IC 642 from your location

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

Today's IC 642 - Elliptical/Spiral Galaxy in Leo rise, transit and set times from Greenwich, United Kingdom [change] are the following (all times relative to the local timezone Europe/London):

Azimuth: 71.8°
Max altitude: 56.7°
Azimuth: 288.2°
IC 642 - Elliptical/Spiral Galaxy in Leo is below the horizon from Greenwich, United Kingdom