Messier 4 in Scorpius

Image Info

Imaged 20110627 with 31.5 cm f/5 Newtonian Reflector and GSTAR-EX video camera
4 sector mosaic (2w x 2h)
200 video frames each sector with no filter

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Object Info

NGC 6121 Found just near Antares. Magnitude 5.9 and 30' diam.
This is one of the closest globular clusters to us at a mere 7,200 ly.
M 4 is quite distinct in an eyepiece with a bar of brighter stars across the core.

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