Barnard 309 (Dark nebula)
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 10 arcminutes across.
From Cambridge , Barnard 309 is visible in the morning sky, becoming accessible around 02:15, when it reaches an altitude of 21° above your southern horizon. It will then reach its highest point in the sky at 03:18, 23° above your southern horizon. It will be lost to dawn twilight around 03:55, 23° above your southern horizon.
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Name
Barnard 309
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Object type
Dark nebula
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Position
| Right ascension: | 18h23m [1] |
| Declination: | −24°01' [1] |
| Constellation: | Sagittarius |