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NGC6231 – Final Color For Internet

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NGC6231 - Chile

NGC6231 – Chile

Sometimes called the “Southern Jewel Box” this open cluster is quite young. The cluster is approaching us at a speed of 47,000 mph. The bright blue, type “O” stars contrast nicely with a background of mostly reddish/brown dwarf stars.

PlaneWave 12.5″ Astrograph with a ZWO ASI6200 camera, Astrodon filters, and ASA gearless DDM-85 mount. F/8 LRGB (3/4min L, 1/1min RGB – all 2×2 bin).