LDN 257 (Dark nebula)
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 16 arcminutes across.
From Columbus , LDN 257 is not observable – it will reach its highest point in the sky during daytime and is no higher than 6° above the horizon at dusk.
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Name
LDN 257
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Object type
Dark nebula
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Position
| Right ascension: | 18h11m [1] |
| Declination: | −22°24' [1] |
| Constellation: | Sagittarius |