Conditions: 50 degrees; calm, average seeing
Exposures: 75 min each of Ha (3nm), S2, and O3 (5 x15 min subs)
FOV = 96 x 65 arc minutes
Color Processed using Hubble Palette: hydrogen alpha (green), ionized sulfur (red) and doubly ionized oxygen (blue).
NGC 6357 is an emission nebula located about 8000 light-years away. Often called the Lobster or Southern Crab nebula because of its crab-like shape.
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