右边是与其视觉互补的南夜枭星云，在长蛇座，编号为PLN 283+25.1。
On the right is its visual counterpart, the southern Owl Nebula in the constellation Hydra, cataloged as PLN 283+25.1.
是距地球最近的三个合并星系中最亮的一个，位于巨蛇座距地球约2.5亿光年。
It is the brightest of the three galactic mergers closest to Earth, about 250 million light-years away in the constellation of Serpens, the Serpent.
我们不能满足与天鹰座星云或星座的M16在巨蛇座是一个窗口，在中东的星夜。
We can meet with the Eagle Nebula or M16 in the constellation Serpens is a window in the middle of the starry night.
在无数遥远的星系中，并非只有长蛇座才显示出红移现象，由于宇宙一直在膨胀，所有的东西都在移动，之所以能较容易地观察到长蛇座的红移，是因为星系距我们越远，其远离我们而去的速度就越快。
Everything is shifting, because the universe is expanding. It's just easier to see Hydra's redshift because the farther a galaxy is from our own, the faster it is moving away.
在无数遥远的星系中，并非只有长蛇座才显示出红移现象，由于宇宙一直在膨胀，所有的东西都在移动，之所以能较容易地观察到长蛇座的红移，是因为星系距我们越远，其远离我们而去的速度就越快。
Everything is shifting, because the universe is expanding. It's just easier to see Hydra's redshift because the farther a galaxy is from our own, the faster it is moving away.
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