LBN 399 (HII region)
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 10 arcminutes across.
From South El Monte , LBN 399 is visible from soon after it rises, at 17:45, until soon before it sets at 10:34.
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Name
LBN 399
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Object type
HII region
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Position
| Right ascension: | 21h38m [1] |
| Declination: | +40°21' [1] |
| Constellation: | Cygnus |
| Angular dimensions: | 2.0 arcmin |