Sharpless 21 (HII region)
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 10 arcminutes across.
Finder chart
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From Cambridge , Sharpless 21 is visible from soon after it rises, at 03:20, until soon before it sets at 11:26.
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|
Name
Sharpless 21
|
Object type
HII region
|
Position
| Right ascension: | 17h51m [1] |
| Declination: | −28°53' [1] |
| Constellation: | Sagittarius |
| Angular dimensions: | 5.0 arcmin |
Visibility from Cambridge
All times shown in Cambridge local time.