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public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
north SunriseRise: 4:50  
clear_day Transit: 12:56  
SunsetSet: 21:02 south
sunny  • Daytime • What's Visible Now

In Evidence

Best Places to See the 2024 American Eclipse Based on Historical Weather Data
Using historical cloud coverage data we suggest the locations that could provide the better chances to have clear skies on April 8, 2024 to observe the eclipse. Read more...

Other deep sky objects in Gemini
All Constellations »  Gemini »  Deep Sky Objects » 

NGC 2357 - Spiral Galaxy in Gemini

NGC 2357 is a Spiral Galaxy in the Gemini constellation. NGC 2357 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 2357
Galaxy
Gemini
  • NGC 2357 is above the horizon from Greenwich, United Kingdom edit_location_alt. Its current altitude is 3° above the horizon. See also rise and set times.
  • Given its B magnitude of 14.6, NGC 2357 is visible with the help of a telescope having an aperture of 20 inches (500mm) or more.
Available Resources for NGC 2357 - Spiral Galaxy in Gemini

Photometric information of NGC 2357

The following table lists the magnitude of NGC 2357 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).

14.6
10.76
9.98
9.63

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 2357.

24.15 mag/arcsec2

Apparent size of NGC 2357

The following table reports NGC 2357 apparent angular size. The green area displayed on top of the DSS2 image of NGC 2357 is a visual representation of it.
3.22 arcmin
0.48 arcmin
120°

Digitized Sky Survey image of NGC 2357

The image below is a photograph of NGC 2357 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 2357 - Spiral Galaxy in Gemini star
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DSS2 image of NGC 2357 in the Red band. The green region on the image is a representation of the major (3.22 arcmin) and minor (0.48 arcmin) axes of the object's apparent size.

NGC 2357 - Spiral Galaxy in Gemini morphological classification

NGC 2357 - Spiral Galaxy in Gemini 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 2357 - Spiral Galaxy in Gemini in the Hubble de Vaucouleurs sequence.

NGC 2357 - Spiral Galaxy in Gemini
Visualization of the morphological classification of NGC 2357 - Spiral Galaxy in Gemini, Spiral (SAc).
Credits for the background image: Antonio Ciccolella / M. De Leo / CC BY

Celestial coordinates and finder chart of NGC 2357

Celestial coordinates for the J2000 equinox of NGC 2357 are provided in the following table:

07h 17m 40s
+23° 21’ 24”

The simplified sky charts below show the position of NGC 2357 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 2357 - Spiral Galaxy in Gemini star
Simplified finder chart for NGC 2357 - Spiral Galaxy in Gemini.

Finder chart NGC 2357 - Spiral Galaxy in Gemini star
Simplified finder chart for NGC 2357 - Spiral Galaxy in Gemini.

Rise ans set times of NGC 2357 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 2357 - Spiral Galaxy in Gemini 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: 66.6°
Max altitude: 61.9°
Azimuth: 293.4°
NGC 2357 - Spiral Galaxy in Gemini is below the horizon from Greenwich, United Kingdom