LDN 639 (Dark nebula)
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 70 arcminutes across.
From South El Monte , LDN 639 is visible from soon after it rises, at 03:56, until soon before it sets at 16:29. Always take extreme caution when trying to make daytime observations of the Moon while the Sun is above the horizon.
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Name
LDN 639
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Object type
Dark nebula
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Position
| Right ascension: | 19h12m [1] |
| Declination: | +05°05' [1] |
| Constellation: | Aquila |
| Angular dimensions: | 70.2 arcmin |