B a r n a r d s     D a r k     N e b u l a e



            created: 08-26-2012.             revised: 11-26-2017.

Hello!

Dark Nebula are clouds of interstellar matter, thin but widespread agglomerations of gas and dust. If they are large and massive enough they are frequently places of star formation, thus generating new associations or clusters of stars. Nebulae originate from large cosmic primordial clouds of gaseous matter in our Universe, leftover from its formation. Or they can come from enriched material ejected into interstellar space during the later life stages of the more massive stars. On cosmic timescales, nebulae undergo rapid changes and have only comparatively short lifetimes, so that those we observe are all young objects. Some of the stars near nebulae are often very massive and so hot that their high-energy radiation can excite the gas of the nebula to shine; such nebula is called emission nebula. If the stars are not hot enough, their light is reflected by the dust and can be seen as white or bluish reflection nebula. Some nebulae are only visible by the absorption of the light from objects behind them. They are distinguished from diffuse nebula mainly because they happen to be not illuminated by embedded or nearby stars. These are called dark nebula.



In 1927 Edward Emerson Barnard (1857 - 1923) published posthumously) a book titled "A Photographic Atlas of Selected Regions of the Milky Way". Barnard was a professor of astronomy at the University of Chicago Yerkes Observatory. As a pioneer in astrophotography, he cataloged a series of dark nebula of the Milky Way, giving them numerical designations, using the 10-inch (25-cm) Bruce wide-field telescope, built specially for him.

         

Through this work of studying the structure of the Milky Way, he discovered that certain dark regions of our galaxy are actually clouds of gas and dust that obscured the more distant stars in the background. His book is a list of 352 dark nebulas with finder charts and photographs.





Index:

Arp Object NGC / IC Nickname Constellation
B33: IC410 "HorseHead Nebula" Orion
B59: B59, B66, B67, B77, & B78 "Pipe Nebula" Ophiuchus
B68: B68, B70, B72, B74, B76, B265, & B267 Ophiuchus
B72: "Snake Nebula" Ophiuchus
B84: Sagittarius
B84a: Sagittarius
B85: M20 "Triffid Nebula" Sagittarius
B86: "Ink Spot Nebula" Sagittarius
B87: "Parrot Head Nebula" Sagittarius
B89: B88, B89 & B296 (M8) "Lagoon Nebula" Sagittarius
B90: Sagittarius
B92: B92, B93, B99, B304, B307, & B308 (M24) Sagittarius
B95: Sagittarius
B100: B100 & B101 Scutum
B103: Scutum
B104: Scutum
B110: Scutum
B112: B112, B114, B115, B116, B117 & B118 (near M11) Scutum
B113: Scutum
B127: B127, B129, & B130 Sagittarius
B132: Sagittarius
B133: Sagittarius
B134: Sagittarius
B135: B135 & B136 Sagittarius
B138: Aquila
B142: B142, & B143 "Barnards 'E'" Aquila
B145: Scutum
B148: B148 and B149 Cepheus
B150: Cepheus
B152: Cepheus
B161: Cepheus
B163: Cepheus
B163: Cepheus
B289: B289, & B295 Sagittarius
B296: B296 (the Lagoon - M8) Sagittarius
B312: Scutum
B343: Scutum
B352: B352, & B353 NGC7000) "North American Nebula" Scutum
B00: multiple B's "Galactic-DarkHorse" Ophiuchus


Barnard Dark Nebula Observations:



B33 (Horse Head nebula)     Orion     - 09/15/2012
6" RC f5 & Stellacam-3 45 seconds
   

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B33 (dark nebula) - 09/23/2017 - 8" SCT f6.3, StellaCam-3 @ 180 seconds (stack of 10)


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B59, B66, B67, B77, & B78 (Pipe Nebula)     Ophiuchus     - 08/17/2012
25mm CCTV lens & Stellacam-3 3 seconds
   

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B68, B70, B72, B74, B76, B265, & B267     Ophiuchus     - 08/17/2012
50mm CCTV lens & Stellacam-3 8 seconds
   

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B68, B69, B70, B72 & B390     Ophiuchus     - 09/12/2012
50mm Refractor & Stellacam-II 8 seconds
   

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B72 (Snake nebula)     Ophiuchus     - 08/23/2011
6" RC f5 & Stellacam-3 30 seconds
   

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B72     Ophiuchus     - 06/03/2013
50mm Refractor & Stellacam-II 8 seconds


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B84     Sagittarius     - 09/12/2012
50mm Refractor & Stellacam-II 8 seconds
   

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6" RC f5 & Stellacam-3 30 seconds
   

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B84a     Sagittarius     - 09/12/2012
50mm Refractor & Stellacam-II 8 seconds
   

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B85 (the Triffid - M20)     Sagittarius     - 09/20/2010
8" SCT f6.3 & Stellacam-3 30 seconds
   

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B86 (Ink Spot nebula) (NGC6520)     Sagittarius     - 09/12/2012
50mm Refractor & Stellacam-II 8 seconds
   

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6" RC f5 & Stellacam-3 30 seconds
   

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08/29/2016 - 8" SCT f6.3, StellaCam-3 @ 60 seconds


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B87 (Parrot Head nebula)     Sagittarius     - 09/12/2012
50mm Refractor & Stellacam-II 8 seconds
   

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6" RC f5 & Stellacam-3 30 seconds
   

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B88, B89 & B296 (M8 - the Lagoon nebula')     Sagittarius     - 09/15/2012
50mm Refractor & Stellacam-II 8 seconds
   

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B88     Sagittarius     - 09/12/2012
6" RC f5 & Stellacam-3 30 seconds
   

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B89     Sagittarius     - 09/12/2012
6" RC f5 & Stellacam-3 30 seconds
   

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B90     Sagittarius     - 09/04/2013
50mm Refractor, StellaCam-II @ 8 seconds
   

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6" RC f5, StellaCam-3 @ 25 seconds
   

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B92, B93, B99, B304, B307, & B308 (M24)     Sagittarius     - 08/17/2012
50mm CCTV lens & Stellacam-3 3 seconds
   

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B92     Sagittarius     - 09/12/2012
6" RC f5 & Stellacam-3 30 seconds
   

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B93     Sagittarius     - 09/12/2012
6" RC f5 & Stellacam-3 30 seconds
   

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B95     Scutum     - 09/12/2012
50mm Refractor & Stellacam-II 8 seconds
   

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B100 & B101     Scutum     - 06/24/2017
8" SCT @f6.3 & Stellacam-3 60 seconds
   

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B103     Scutum     - 06/24/2017
8" SCT @f6.3 & Stellacam-3 60 seconds
   

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B104     Scutum     - 09/06/2015
80mm Refractor f5.5 & Stellacam-3 @ 20 seconds
   

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06/24/2017 - 8" SCT @f6.3 & Stellacam-3 60 seconds
   

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B110     Scutum     - 06/24/2017
8" SCT @f6.3 & Stellacam-3 60 seconds
   

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B112, B114, B115, B116, B117 & B118 (dark nebula near M11)     Scutum     - 09/08/2015
50mm Refractor & Stellacam-II 8 seconds
   

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B113     Scutum     - 06/24/2017
8" SCT @f6.3 & Stellacam-3 60 seconds
   

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B127, B129, & B130     Sagittarius     - 09/05/2013
50mm Refractor, StellaCam-II @ 8 seconds
   

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6" RC f5, StellaCam-3 @ 25 seconds
   

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B132     Sagittarius     - 09/05/2013
50mm Refractor, StellaCam-II @ 8 seconds
   

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6" RC f5, StellaCam-3 @ 25 seconds
   

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B133     Sagittarius     - 09/05/2013
50mm Refractor, StellaCam-II @ 8 seconds
   

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6" RC f5, StellaCam-3 @ 25 seconds
   

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B134     Sagittarius     - 09/05/2013
50mm Refractor, StellaCam-II @ 8 seconds
   

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6" RC f5, StellaCam-3 @ 25 seconds
   

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B135 & 136     Sagittarius     - 09/05/2013
50mm Refractor, StellaCam-II @ 8 seconds
   

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B135     6" RC f5, StellaCam-3 @ 25 seconds
   

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B136     6" RC f5, StellaCam-3 @ 25 seconds
   

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B138     Aquila     - 08/17/2012
12.5mm CCTV lens & Stellacam-3 5 seconds
   

35mm CCTV lens & Stellacam-3 5 seconds
   

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B142, & B143 (Barnards 'E')     Aquila     - 08/17/2012
50mm CCTV lens & Stellacam-3 8 seconds
   

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B145     Scutum     - 09/06/2015
50mm Refractor, StellaCam-II @ 8 seconds
   

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80mm Refractor f5.5 & Stellacam-3 @ 20 seconds
   

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B148 and B149     Cepheus     - 09/07/2015
80mm Refractor f5.5 & Stellacam-3 @ 30 seconds
   

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B150     Cepheus     - 09/07/2015
80mm Refractor f5.5 & Stellacam-3 @ 30 seconds
   

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B152     Cepheus     - 09/07/2015
80mm Refractor f5.5 & Stellacam-3 @ 30 seconds
   

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B161     Cepheus     - 09/07/2015
80mm Refractor f5.5 & Stellacam-3 @ 60 seconds
   

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B161     Cepheus     - 09/19/2017
8" SCT f3.3 & Stellacam-3 @ 180 seconds
   

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B161     Cepheus     - 09/18/2017
8" SCT f6.3 & Stellacam-3 @ 180 seconds
   

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B163     Cepheus     - 09/18/2017
8" SCT f6.3 & Stellacam-3 @ 180 seconds
   

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B164     Scutum     - 09/06/2015
50mm Refractor, StellaCam-II @ 8 seconds
   

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80mm Refractor f5.5 & Stellacam-3 @ 20 seconds
   

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B289, & B295     Sagittarius     - 2009
24mm CCTV lens & Stellacam-II 8 seconds
   

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B296 (the Lagoon - M8)     Sagittarius     - 06/15/2012
6" RC f5 & Stellacam-3 90 seconds
   

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B312     Scutum     - 09/12/2012
50mm Refractor & Stellacam-II 8 seconds
   

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B343     Scutum     - 09/06/2015
50mm Refractor, StellaCam-II @ 8 seconds
   

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80mm Refractor f5.5 & Stellacam-3 @ 20 seconds
   

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B352, & B353 (North American nebula)     Cygnus     - 08/17/2012
50mm CCTV lens & Stellacam-3 xx seconds
   

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Galactic-Darkhorse     Ophiuchus     - 06/15/2012
12mm CCTV lens & Stellacam-II 8 seconds
   

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Hope you enjoyed the visit. Come again soon!
Larry McHenry,   Pittsburgh, PA. USA

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