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public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
SunriseRise: 6:04  
clear_day Transit: 12:06  
SunsetSet: 18:09
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All Constellations »  Leo »  Deep Sky Objects » 

NGC 3940 - Elliptical Galaxy in Leo

Altitude: -17.4°   Azimuth: 355.0°   Direction: North

NGC 3940 is a Elliptical Galaxy in the Leo constellation. NGC 3940 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.

The image below is a photograph of NGC 3940 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 NGC 3940 - Elliptical Galaxy in Leo star
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DSS2 image of NGC 3940 in the Red band. The green region on the image is a representation of the major (1.22 arcmin) and minor (1.04 arcmin) axes of the object's apparent size.

Key facts about NGC 3940

NGC 3940
Galaxy
Leo

NGC 3940 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -17.4°
Azimuth: 355.0°
Direction: North

See also NGC 3940 rise and set times.

Given its B magnitude of 14.3, NGC 3940 is visible with the help of a telescope having an aperture of 14 inches (350mm) or more.

Available Resources for NGC 3940 - Elliptical Galaxy in Leo

Photometric information of NGC 3940

The following table lists the magnitude of NGC 3940 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).

14.3
10.76
10.08
9.76

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 NGC 3940.

23.12 mag/arcsec2

Apparent size of NGC 3940

The following table reports NGC 3940 apparent angular size. The green area displayed on top of the DSS2 image of NGC 3940 is a visual representation of it.
1.22 arcmin
1.04 arcmin
99°

NGC 3940 - Elliptical Galaxy in Leo morphological classification

NGC 3940 - Elliptical Galaxy in Leo is classified as Elliptical (E) according to the Hubble and de Vaucouleurs galaxy morphological classification. The diagram below shows a visual representation of the position of NGC 3940 - Elliptical Galaxy in Leo in the Hubble de Vaucouleurs sequence.

NGC 3940 - Elliptical Galaxy in Leo
Visualization of the morphological classification of NGC 3940 - Elliptical Galaxy in Leo, Elliptical (E).
Credits for the background image: Antonio Ciccolella / M. De Leo / CC BY

Celestial coordinates and finder chart of NGC 3940

Celestial coordinates for the J2000 equinox of NGC 3940 are provided in the following table:

11h 52m 45s
+20° 59’ 21”

The simplified sky charts below show the position of NGC 3940 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 NGC 3940 - Elliptical Galaxy in Leo star
Simplified finder chart for NGC 3940 - Elliptical Galaxy in Leo.

Finder chart NGC 3940 - Elliptical Galaxy in Leo star
Simplified finder chart for NGC 3940 - Elliptical Galaxy in Leo.

Rise and set times of NGC 3940 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 NGC 3940 - Elliptical Galaxy in Leo 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: 69.0°
Max altitude: 59.5°
Azimuth: 291.0°