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🌎  Greenwich, United Kingdom [change]

Messier 9 - Globular Cluster in Ophiuchus

Messier 9 is a Globular Cluster in the Ophiuchus constellation. Messier 9 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.

Messier 9
Globular Cluster
Ophiuchus
  • Messier 9 is below the horizon from Greenwich, United Kingdom [change]. See also rise and set times.
  • Given its visual magnitude of 8.42, Messier 9 is visible with the help of a binocular with a 40-50mm aperture or a small telescope.
Available Resources for Messier 9 - Globular Cluster in Ophiuchus

Photometric information of Messier 9

The following table lists the magnitude of Messier 9 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).

9.36
8.42

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

Apparent size of Messier 9

The following table reports Messier 9 apparent angular size. The green area displayed on top of the DSS2 image of Messier 9 is a visual representation of it.
6.9 arcmin
6.9 arcmin

Digitized Sky Survey image of Messier 9

The image below is a photograph of Messier 9 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 9 - Globular Cluster in Ophiuchus star
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DSS2 image of Messier 9 in the Red band. The green region on the image is a representation of the major (6.9 arcmin) and minor (6.9 arcmin) axes of the object's apparent size.

Celestial coordinates and finder chart of Messier 9

Celestial coordinates for the J2000 equinox of Messier 9 are provided in the following table:

17h 19m 12s
-18° 30’ 59”

The simplified sky charts below show the position of Messier 9 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 9 - Globular Cluster in Ophiuchus star
Simplified finder chart for Messier 9 - Globular Cluster in Ophiuchus.

Finder chart Messier 9 - Globular Cluster in Ophiuchus star
Simplified finder chart for Messier 9 - Globular Cluster in Ophiuchus.

Rise ans set times of Messier 9 from your location

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

Today's Messier 9 - Globular Cluster in Ophiuchus rise, transit and set times from Greenwich, United Kingdom [change] are the following (all times relative to the local timezone Europe/London):

Azimuth: 108.5°
Max altitude: 20.0°
Azimuth: 251.5°
Messier 9 - Globular Cluster in Ophiuchus is below the horizon from Greenwich, United Kingdom