Sharpless 257 (HII region)
From Cambridge , Sharpless 257 is visible in the morning sky, becoming accessible around 20:45, when it reaches an altitude of 21° above your eastern horizon. It will then reach its highest point in the sky at 01:50, 65° above your southern horizon. It will be lost to dawn twilight around 05:30, 37° above your western horizon.
Name
Sharpless 257
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Object type
HII region
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All times shown in Cambridge local time.