Sharpless 139 (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 South El Monte , Sharpless 139 will become visible at around 17:47 (PST), 64° above your northern horizon, as dusk fades to darkness. It will then sink towards the horizon, becoming tricky to observe after 23:45 when it dips 21° above your north-western horizon.
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Name
Sharpless 139
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Object type
HII region
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Visibility from South El Monte
All times shown in South El Monte local time.