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Astronomy 0089
NGC 2359
Top left is NE. Image width
is about 17 arc min
Image © 1979-2002, Anglo-Australian Observatory,
photograph by David Malin.
This image shows ring nebula NGC2359 with the WN4 central star HD56925. Such nebula are generally believed to arise from the interaction of the stellar wind with the interstellar medium, or with earlier stellar ejecta.