Sharpless 221 (HII region)
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 120 arcminutes across.
From Cambridge , Sharpless 221 is visible from soon after it rises, at 22:53, until soon before it sets at 21:12. Always take extreme caution when trying to make daytime observations of the Moon while the Sun is above the horizon.
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Name
Sharpless 221
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Object type
HII region
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