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public LocationGreenwich, UK
TimezoneEurope/London
Sunrise: 5:15 
Transit: 13:06 
Sunset: 20:56
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All Constellations »  Pegasus »  Deep Sky Objects » 

Messier 15 (Great Pegasus Cluster) - Globular Cluster in Pegasus

Below the horizon.  Rise: 19:13 | Tran: 2:18 | Set: 9:19
Alt: -18.13°   Az: 39.59°   Direction: North-East

Messier 15 is a Globular Cluster in the Pegasus constellation. Messier 15 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 6.3, Messier 15 is easily visible with the help of a small binocular.

The image below is a photograph of Messier 15 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 0.3700x0.3700 degrees (22.20x22.20 arcmins).

Image of Messier 15 (Great Pegasus Cluster) - Globular Cluster in Pegasus star
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DSS2 image of Messier 15 in the Red band. The green region on the image is a representation of the major (11.1 arcmin) and minor (11.1 arcmin) axes of the object's apparent size.

Celestial Coordinates

Apparent

21h 31m 09s
+12° 16’ 31”
14h 33m 12s
12h 04m 21s

J2000

21h 29m 57s
+12° 10’ 00”

Finder Chart

The simplified sky charts below show the position of Messier 15 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 Messier 15 (Great Pegasus Cluster) - Globular Cluster in Pegasus star
Simplified finder chart for Messier 15 (Great Pegasus Cluster) - Globular Cluster in Pegasus.

Finder chart Messier 15 (Great Pegasus Cluster) - Globular Cluster in Pegasus star
Simplified finder chart for Messier 15 (Great Pegasus Cluster) - Globular Cluster in Pegasus.

Photometric Information

The following table lists the magnitude of Messier 15 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).

3
6.3

For more information about photometry in astronomy, check the photometric system article on Wikipedia.

Apparent Size

The following table reports Messier 15 apparent angular size. The green area displayed on top of the DSS2 image of Messier 15 is a visual representation of it.
11.1 arcmin
11.1 arcmin

Rise and Set Times

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

Today's Messier 15 (Great Pegasus Cluster) - Globular Cluster in Pegasus rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 77.7°
Max altitude: 50.8°
Azimuth: 282.3°