LDN 340 (Dark nebula)
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 11 arcminutes across.
From South El Monte , LDN 340 is visible from soon after it rises, at 03:29, until soon before it sets at 14:13.
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Name
LDN 340
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Object type
Dark nebula
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Position
| Right ascension: | 17h58m [1] |
| Declination: | −14°36' [1] |
| Constellation: | Serpens Cauda |
| Angular dimensions: | 11.2 arcmin |