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public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 4:54 
Transit: 12:57 
Sunset: 21:00
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All Constellations »  Ophiuchus »  Deep Sky Objects » 

Messier 9 - Globular Cluster in Ophiuchus

Below the horizon.  Rise: 21:38 | Tran: 2:01 | Set: 6:20
Alt: -7.40°   Az: 110.60°   Direction: East-South-East

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. 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.

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 0.5000x0.5000 degrees (30.00x30.00 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

Apparent

17h 20m 41s
-18° 32’ 27”
18h 46m 55s
12h 07m 36s

J2000

17h 19m 12s
-18° 30’ 59”

Finder Chart

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°.

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Finder chart for Messier 9 - Globular Cluster in Ophiuchus.

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Finder chart for Messier 9 - Globular Cluster in Ophiuchus.

Photometric Information

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

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

Rise and Set Times

Location: Greenwich, UK
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, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 108.5°
Max altitude: 20.0°
Azimuth: 251.5°