LDN 557 (Dark nebula)
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 25 arcminutes across.
From Cambridge , LDN 557 is visible in the dawn sky, rising at 00:30 (EDT) and reaching an altitude of 42° above the south-eastern horizon before fading from view as dawn breaks at around 05:09.
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Name
LDN 557
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Object type
Dark nebula
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Position
| Right ascension: | 18h38m [1] |
| Declination: | −01°47' [1] |
| Constellation: | Serpens Cauda |