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public LocationGreenwich, UK
TimezoneEurope/London
Sunrise: 5:11 
Transit: 13:06 
Sunset: 21:00
sunny   (Daytime)   What's Visible Now?
All Constellations »  Pegasus »  Deep Sky Objects » 

NGC 7798 - Galaxy in Pegasus

Above the horizon.  Rise: 21:03 | Tran: 4:59 | Set: 12:51
Alt: 31.86°   Az: 263.87°   Direction: West

NGC 7798 is a Galaxy in the Pegasus constellation. NGC 7798 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. Given its visual magnitude of 12.37, NGC 7798 is visible with the help of a telescope having an aperture of 8 inches (200mm) or more.

The image below is a photograph of NGC 7798 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 0.5000x0.5000 degrees (30.00x30.00 arcmins).

Image of NGC 7798 -  Galaxy in Pegasus star
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DSS2 image of NGC 7798 in the Red band. The green region on the image is a representation of the major (1.45 arcmin) and minor (1.33 arcmin) axes of the object's apparent size.

Celestial Coordinates

Apparent

00h 00m 41s
+20° 53’ 11”
04h 18m 41s
04h 19m 22s

J2000

23h 59m 26s
+20° 44’ 59”

Finder Chart

The simplified sky charts below show the position of NGC 7798 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 7798 -  Galaxy in Pegasus star
Simplified finder chart for NGC 7798 - Galaxy in Pegasus.

Finder chart NGC 7798 -  Galaxy in Pegasus star
Simplified finder chart for NGC 7798 - Galaxy in Pegasus.

Photometric Information

The following table lists the magnitude of NGC 7798 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).

12.97
12.37
10.35
9.66
9.37

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 7798.

22.42 mag/arcsec2

Apparent Size

The following table reports NGC 7798 apparent angular size. The green area displayed on top of the DSS2 image of NGC 7798 is a visual representation of it.
1.45 arcmin
1.33 arcmin
100°

Morphological Classification

NGC 7798 - Galaxy in Pegasus is classified as according to the Hubble and de Vaucouleurs galaxy morphological classification. The diagram below shows a visual representation of the position of NGC 7798 - Galaxy in Pegasus in the Hubble de Vaucouleurs sequence.

NGC 7798 - Galaxy in Pegasus
Visualization of the morphological classification of NGC 7798 - Galaxy in Pegasus, .
Credits for the background image: Antonio Ciccolella / M. De Leo / CC BY

Rise and Set Times

Location: Greenwich, UK
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
Timezone: Europe/London

Today's NGC 7798 - Galaxy in Pegasus rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 69.1°
Max altitude: 59.4°
Azimuth: 290.9°