Sharpless 217 (HII region)
From Cambridge , Sharpless 217 will become visible at around 20:52 (EDT), 34° above your north-western horizon, as dusk fades to darkness. It will then sink towards the horizon, becoming tricky to observe after 22:21 when it dips 21° above your north-western horizon.
Name
Sharpless 217
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Object type
HII region
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All times shown in Cambridge local time.