We present the results of deep narrowband imaging of two nested shells around the blue supergiant ALS 19653, which confirm that the outer shell is physically associated with the star.

中文翻译：

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Blue Supergiant ALS 19653 周围的两个嵌套壳

我们展示了蓝色超巨星 ALS 19653 周围两个嵌套壳的深窄带成像结果，这证实了外壳与恒星物理相关。