E Nebula: Difference between revisions
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* [http://www.perseus.gr/Astro-DSO-Nebulae-Dark-B143.htm B143 Hires LRGB CCD Image] |
* [http://www.perseus.gr/Astro-DSO-Nebulae-Dark-B143.htm B143 Hires LRGB CCD Image] |
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* [http://project-nightflight.net/print014.html B142/143 DSLR Image] |
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[[Category:Dark nebulae]] |
[[Category:Dark nebulae]] |
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Revision as of 17:45, 5 November 2010
| Dark nebula | |
|---|---|
 Barnard's "E" Nebula (B142, 143) | |
| Observation data: J2000.0 epoch | |
| Right ascension | 19h 40m 42s |
| Declination | +10° 57′ |
| Distance | 2000 ly (200 pc) |
| Apparent magnitude (V) | – |
| Apparent dimensions (V) | 30 arcmins |
| Constellation | Aquila |
| Physical characteristics | |
| Absolute magnitude (V) | – |
| Notable features | – |
| Designations | Barnard 142, 143 |
The "E" or "Barnard's E" Nebula (officially designated as Barnard 142 and 143) is a pair of dark nebula in the Aquila constellation. It is a well defined dark area on a background of Milky Way consisting of countless stars of all magnitudes. Its size is about that of the full moon, or roughly 0.5 degrees, and its distance from earth is estimated at about 2000 light years.
External links
- The E Nebula on WikiSky: DSS2, SDSS, GALEX, IRAS, Hydrogen α, X-Ray, Astrophoto, Sky Map, Articles and images
- Barnard's Catalog