LDN 493 (Dark nebula)
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 17 arcminutes across.
From Columbus , LDN 493 is visible in the dawn sky, rising at 00:05 (EDT) and reaching an altitude of 46° above the southern horizon before fading from view as dawn breaks at around 05:39.
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Name
LDN 493
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Object type
Dark nebula
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Position
| Right ascension: | 18h12m [1] |
| Declination: | −03°19' [1] |
| Constellation: | Serpens Cauda |