LDN 491 (Dark nebula)
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 30 arcminutes across.
From South El Monte , LDN 491 is visible from soon after it rises, at 01:31, until soon before it sets at 13:07.
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Name
LDN 491
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Object type
Dark nebula
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Position
| Right ascension: | 18h27m [1] |
| Declination: | −05°28' [1] |
| Constellation: | Scutum |
| Angular dimensions: | 30.7 arcmin |