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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 »  Columba »  Deep Sky Objects » 

NGC 2255 - Spiral Galaxy in Columba

Altitude: -72.8°   Azimuth: 343.4°   Direction: North-North-West

NGC 2255 is a Spiral Galaxy in the Columba constellation. NGC 2255 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 NGC 2255 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 2255 - Spiral Galaxy in Columba star
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DSS2 image of NGC 2255 in the Red band. The green region on the image is a representation of the major (1.47 arcmin) and minor (0.78 arcmin) axes of the object's apparent size.

Key facts about NGC 2255

NGC 2255
Galaxy
Columba

NGC 2255 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -72.8°
Azimuth: 343.4°
Direction: North-North-West

See also NGC 2255 rise and set times.

Given its B magnitude of 14.16, NGC 2255 is visible with the help of a telescope having an aperture of 14 inches (350mm) or more.

Available Resources for NGC 2255 - Spiral Galaxy in Columba

Photometric information of NGC 2255

The following table lists the magnitude of NGC 2255 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).

14.16
11.72
11.15
10.76

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 2255.

23.2 mag/arcsec2

Apparent size of NGC 2255

The following table reports NGC 2255 apparent angular size. The green area displayed on top of the DSS2 image of NGC 2255 is a visual representation of it.
1.47 arcmin
0.78 arcmin
159°

NGC 2255 - Spiral Galaxy in Columba morphological classification

NGC 2255 - Spiral Galaxy in Columba is classified as Spiral (SAc) according to the Hubble and de Vaucouleurs galaxy morphological classification. The diagram below shows a visual representation of the position of NGC 2255 - Spiral Galaxy in Columba in the Hubble de Vaucouleurs sequence.

NGC 2255 - Spiral Galaxy in Columba
Visualization of the morphological classification of NGC 2255 - Spiral Galaxy in Columba, Spiral (SAc).
Credits for the background image: Antonio Ciccolella / M. De Leo / CC BY

Celestial coordinates and finder chart of NGC 2255

Celestial coordinates for the J2000 equinox of NGC 2255 are provided in the following table:

06h 33m 59s
-34° 48’ 44”

The simplified sky charts below show the position of NGC 2255 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 2255 - Spiral Galaxy in Columba star
Simplified finder chart for NGC 2255 - Spiral Galaxy in Columba.

Finder chart NGC 2255 - Spiral Galaxy in Columba star
Simplified finder chart for NGC 2255 - Spiral Galaxy in Columba.

Rise and set times of NGC 2255 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 2255 - Spiral Galaxy in Columba 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: 124.8°
Max altitude: 3.7°
Azimuth: 235.2°