Sharpless 138 (HII region)
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 10 arcminutes across.
From Cambridge , Sharpless 138 is visible all night. It will become visible at around 17:25 (EST), 73° above your northern horizon, as dusk fades to darkness. It will then reach its highest point in the sky at 17:55, 73° above your northern horizon. It will continue to be observable until around 02:00, when it sinks below 21° above your north-western horizon.
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Name
Sharpless 138
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Object type
HII region
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