Tag: nebula
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NGC 6888
NGC 6888, also known as the Crescent nebula, is an emission nebula in the constellation Cygnus, about 5000 light-years from Earth.It is formed by the stellar wind from the Wolf-Rayet star WR 136 (HD 192163), the brightest star at its center, colliding with the slower wind expelled by the star when it became a red…
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IC 63
In the center of the photo there is IC 63 (Sh2-185), an emission nebula illuminated by γ Cas (gamma Cassiopeiae), the overexposed star at the upper left, a blue giant, visible to the naked eye; at the lower left there is the nebula IC 59.The three objects are physically close together.IC 63 is also called…
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