Fig. 1
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Left: Carina Nebula as seen in the Second Generation Digitalized Sky Survey (DSS2; red filter), which contains the system WR 22 (orange). In red, zoomed region. Right: core of the Carina Nebula centred on η Carinae as seen in DSS2 (IR filter). The region shown contains η Carinae (blue), WR 25 (yellow), HD 93129A (green), and HD 93250 (pink), while WR 21a and WR 39 lie ~ 3° away from η Carinae, outside the nebula.
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