This globular cluster is located in the constellation Scorpius, about 1 °, 3 west of bright Antares. M4 is found with a small instrument to 15 cm long as you have enough oxen and a clear sky, but keep in mind that this is not it ever gets up on the horizon south ofmore than 17 ° (Bolzano) or 26 °, 6 (Ragusa).
Nonostate the large apparent diameter, as it is of the globular cluster nearest magnetudine absolute values \u200b\u200band the actual diameter are to indicate that in reality it is a ogetto among the smallest in its class
photographic begin to get photos from a focal length of 300 mm, which become very good one-meter focal up.
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