Your guide to the Solar System and the night sky
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🌎  Observing from: Greenwich, United Kingdom [change]
🌅 Sunrise: 6:45  ☀️ Transit: 13:03  🌅 Sunset: 19:23

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Other deep sky objects in Sagittarius

Messier 55 - Globular Cluster in Sagittarius

Messier 55 is a Globular Cluster in the Sagittarius constellation. Messier 55 is situated south of the celestial equator and, as such, it is more easily visible from the southern emisphere.

Messier 55
Globular Cluster
Sagittarius
Available Resources for Messier 55 - Globular Cluster in Sagittarius

Photometric information of Messier 55

The following table lists the magnitude of Messier 55 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).

6.49

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

Apparent size of Messier 55

The following table reports Messier 55 apparent angular size. The green area displayed on top of the DSS2 image of Messier 55 is a visual representation of it.
12 arcmin
12 arcmin

Digitized Sky Survey image of Messier 55

The image below is a photograph of Messier 55 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 0.4x0.4 degrees (24x24 arcmins).

Image of Messier 55 - Globular Cluster in Sagittarius star
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DSS2 image of Messier 55 in the Red band. The green region on the image is a representation of the major (12 arcmin) and minor (12 arcmin) axes of the object's apparent size.

Celestial coordinates and finder chart of Messier 55

Celestial coordinates for the J2000 equinox of Messier 55 are provided in the following table:

19h 39m 59s
-30° 57’ 43”

The simplified sky charts below show the position of Messier 55 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 55 - Globular Cluster in Sagittarius star
Simplified finder chart for Messier 55 - Globular Cluster in Sagittarius.

Finder chart Messier 55 - Globular Cluster in Sagittarius star
Simplified finder chart for Messier 55 - Globular Cluster in Sagittarius.

Rise ans set times of Messier 55 from your location

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

Today's Messier 55 - Globular Cluster in Sagittarius rise, transit and set times from Greenwich, United Kingdom [change] are the following (all times relative to the local timezone Europe/London):

Azimuth: 121.0°
Max altitude: 7.6°
Azimuth: 239.0°
Messier 55 - Globular Cluster in Sagittarius is below the horizon from Greenwich, United Kingdom