Messier 12 (Gumball Cluster) - Globular Cluster in Ophiuchus
Messier 12 is a Globular Cluster in the Ophiuchus constellation. Messier 12 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.
See also Messier 12 rise and set times.
Given its visual magnitude of 6.07, Messier 12 is easily visible with the help of a small binocular.
Photometric information of Messier 12
The following table lists the magnitude of Messier 12 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).
For more information about photometry in astronomy, check the photometric system article on Wikipedia.
Apparent size of Messier 12The following table reports Messier 12 apparent angular size. The green area displayed on top of the DSS2 image of Messier 12 is a visual representation of it.
Digitized Sky Survey image of Messier 12
The image below is a photograph of Messier 12 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 0.37x0.37 degrees (22.2x22.2 arcmins).
Celestial coordinates and finder chart of Messier 12
Celestial coordinates for the J2000 equinox of Messier 12 are provided in the following table:
The simplified sky charts below show the position of Messier 12 in the sky. The first chart has a field of view of 60° while the second one has a field of view of 10°.
Rise ans set times of Messier 12 from your location
Today's Messier 12 (Gumball Cluster) - Globular Cluster in Ophiuchus rise, transit and set times from Greenwich, United Kingdom are the following (all times relative to the local timezone Europe/London):