Sharpless 257 (HII region)

From South El Monte , Sharpless 257 is visible in the dawn sky, rising at 01:27 (PDT) and reaching an altitude of 47° above the eastern horizon before fading from view as dawn breaks at around 05:22.
Name
Sharpless 257
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Object type
HII region
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All times shown in South El Monte local time.