LBN 640 (HII region)
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 35 arcminutes across.
From South El Monte , LBN 640 is visible from soon after it rises, at 21:40, until soon before it sets at 19:03.
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Name
LBN 640
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Object type
HII region
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Position
| Right ascension: | 01h49m [1] |
| Declination: | +53°44' [1] |
| Constellation: | Perseus |
| Angular dimensions: | 35.0 arcmin |