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🌎  Greenwich, United Kingdom [change]

NGC 255 - Spiral Galaxy in Cetus

NGC 255 is a Spiral Galaxy in the Cetus constellation. NGC 255 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.

NGC 255
Galaxy
Cetus
  • NGC 255 is below the horizon from Greenwich, United Kingdom [change]. See also rise and set times.
  • Given its B magnitude of 12.5, NGC 255 is visible with the help of a telescope havng an aperture of 10 inches (250mm) or more.
Available Resources for NGC 255 - Spiral Galaxy in Cetus

Photometric information of NGC 255

The following table lists the magnitude of NGC 255 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).

12.5
10.65
9.94
9.67

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 255.

22.61 mag/arcsec2

Apparent size of NGC 255

The following table reports NGC 255 apparent angular size. The green area displayed on top of the DSS2 image of NGC 255 is a visual representation of it.
2.04 arcmin
1.85 arcmin

Digitized Sky Survey image of NGC 255

The image below is a photograph of NGC 255 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 255 - Spiral Galaxy in Cetus star
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DSS2 image of NGC 255 in the Red band. The green region on the image is a representation of the major (2.04 arcmin) and minor (1.85 arcmin) axes of the object's apparent size.

NGC 255 - Spiral Galaxy in Cetus morphological classification

NGC 255 - Spiral Galaxy in Cetus is classified as Spiral (SAbc) according to the Hubble and de Vaucouleurs galaxy morphological classification. The diagram below shows a visual representation of the position of NGC 255 - Spiral Galaxy in Cetus in the Hubble de Vaucouleurs sequence.

NGC 255 - Spiral Galaxy in Cetus
Visualization of the morphological classification of NGC 255 - Spiral Galaxy in Cetus, Spiral (SAbc).
Credits for the background image: Antonio Ciccolella / M. De Leo / CC BY

Celestial coordinates and finder chart of NGC 255

Celestial coordinates for the J2000 equinox of NGC 255 are provided in the following table:

00h 47m 47s
-11° 28’ 06”

The simplified sky charts below show the position of NGC 255 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 255 - Spiral Galaxy in Cetus star
Simplified finder chart for NGC 255 - Spiral Galaxy in Cetus.

Finder chart NGC 255 - Spiral Galaxy in Cetus star
Simplified finder chart for NGC 255 - Spiral Galaxy in Cetus.

Rise ans set times of NGC 255 from your location

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

Today's NGC 255 - Spiral Galaxy in Cetus rise, transit and set times from Greenwich, United Kingdom [change] are the following (all times relative to the local timezone Europe/London):

Azimuth: 101.5°
Max altitude: 27.1°
Azimuth: 258.5°
NGC 255 - Spiral Galaxy in Cetus is below the horizon from Greenwich, United Kingdom