Your guide to the Solar System and the night sky
🌎 Location: Greenwich, United Kingdom [change]

Messier 54 - Globular Cluster

Messier 54 is a Globular Cluster in the Sagittarius constellation. Messier 54 is situated south of the celestial equator and, as such, it is more easily visible from the southern emisphere.

Messier 54
Globular Cluster
Sagittarius
  • Messier 54 is below the horizon from Greenwich, United Kingdom [change]. See also rise and set times.
  • Given its visual magnitude of 7.7, Messier 54 is visible with the help of a binocular with a 40-50mm aperture or a small telescope.
Available Resources for Messier 54 - Globular Cluster

Photometric information of Messier 54

The following table lists the magnitude of Messier 54 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).

7.7

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

Apparent size of Messier 54

The following table reports Messier 54 apparent angular size. The green area displayed on top of the DSS2 image of Messier 54 is a visual representation of it.
5.1 arcmin
5.1 arcmin

Digitized Sky Survey image of Messier 54

The image below is a photograph of Messier 54 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 Messier 54 - Globular Cluster star
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DSS2 image of Messier 54 in the Red band. The green region on the image is a representation of the major (5.1 arcmin) and minor (5.1 arcmin) axes of the object's apparent size.

Celestial coordinates and finder chart of Messier 54

Celestial coordinates for the J2000 equinox of Messier 54 are provided in the following table:

18h 55m 03s
-30° 28’ 42”

The simplified sky charts below show the position of Messier 54 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 54 - Globular Cluster star
Simplified finder chart for Messier 54 - Globular Cluster.

Finder chart Messier 54 - Globular Cluster star
Simplified finder chart for Messier 54 - Globular Cluster.

Rise ans set times of Messier 54 from your location

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

Today's Messier 54 - Globular Cluster rise, transit and set times from Greenwich, United Kingdom [change] are the following (all times relative to the local timezone Europe/London):

Azimuth: 120.5°
Max altitude: 8.0°
Azimuth: 239.5°
Messier 54 - Globular Cluster is below the horizon from Greenwich, United Kingdom