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IC 5146 (C19) - Cocoon Nebula. IC 5146 (also designated Caldwell 19) is a diffuse nebula in the constellation Cygnus. It has an apparent visual magnitude of  

The column density map, derived from our 70-500 μm Herschel data, reveals a complex network of filaments and confirms that these filaments are the main birth sites of prestellar cores. IC 5146 is a reflection/emission nebula deep space object. It is not located in the Solar System. It lies at a distance of about 3,300.00 light years away in the constellation of Cygnus. It is also referred to as IC5146 which is short for Index Catalogue number 5146.

Ic 5146

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IC 5146 Location IC 5146 is a reflection/emission nebula and Caldwell object that is 3200 light years away in the constellation Cygnus. The Cocoon Nebula span about 30 light years across. This is a 5 hour exposure with my C6 F5 Newtonian Telescope & QHY183M cooled Monochrome Cmos Camera, A bi-color Narrow Band Image HA + OIII image, When viewing IC 5146, dark nebula Barnard 168 (B168) is an inseparable part of the experience, forming a dark lane that surrounds the cluster and projects westward forming the appearance of a trail behind the Cocoon. IC 5146 as a cluster of 9.5 mag stars involved in a bright and dark nebula with a combined apparent magnitude of 7.2. When viewing IC 5146, dark nebula Barnard 168 (B168) is an inseparable part of the experience, forming a dark lane that surrounds the cluster and projects westward forming the appearance of a trail behind the Cocoon.

OBJECT: IC 5146 (Cocoon Nebula) DATE(S): August, 2011 OPTICS: Dream 16” Corrected Newtonian @ F3.75 MOUNT: Chronos HD32 HPO CAMERA: QSI 583WSG GUIDING: Starlight Xpress LodeStar FIELD SCALE: 0.74 arc seconds per pixel CHIP TEMP: -20C FILTER(S): AstroDon, Gen 2 RBG LOCATION: Sierra Remote Observatories, Shaver Lake, CA, 4,610 feet

Od Země je vzdálená přibližně 3 100 světelných let. Index Catalogue ji popisuje jako mlhovinu, která má uprostřed hvězdu s magnitudou 9,5.

The B0 V star BD +46°3474 lies near the front surface of a dense molecular cloud and illuminates the emission/reflection nebula IC 5146. The HAeBe variable 

IC 5146 (also Caldwell 19, Sh 2-125, and the Cocoon Nebula) is a reflection[1]/emission[2] nebula and Caldwell object in the constellation Cygnus. The NGC description refers to IC 5146 as a cluster of 9.5 mag stars involved in a bright and dark nebula. IC 5146 (C19) - Cocoon Nebula IC 5146 (also designated Caldwell 19) is a diffuse nebula in the constellation Cygnus .

Ic 5146

IC 5146 is a beautiful emission and reflection cloud that surrounds the illuminating central star BD +46°3474.
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Here are some  Nov 15, 2013 The Cocoon Nebula has been a difficult object for me. I've tried many times over the years, but without success. My location has always been  27.

[4] IC 5146 (The Cocoon Nebula) July 16, 2020 November 3, 2020 rupeshjoy143. IC5146 also known as The Cocoon Nebula is a reflection/emission nebula in the constellation IC 5146. IC 5146 na WikiSky stranici: DSS2, SDSS, GALEX, IRAS, Hydrogen α, X-Ray, Astrophoto, Sky Map, Članci i slike (en) IC 5146 na Aladin pregledniku [mrtav link] IC katalog (en) Interaktivni NGC Online Katalog (en) Astronomska baza podataka SIMBAD (en) IC katalog na Messier45.com (en) NGC/IC projekt R = 20.5 have been found in the area, most of them in IC 5146.
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IC 5146 is a reflection/emission nebula and Caldwell object in the constellation Cygnus. The NGC description refers to IC 5146 as a cluster of 9.5 mag stars 

The Index Catalogue is an update to the earlier NGC catalogue. IC 5146 Location IC 5146 nyílthalmaz és köd: Megfigyelési adatok: Csillagkép: Cygnus: Rektaszcenzió: 21 h 53 m 28,7 s: Deklináció +47° 16′ 01″ Távolság: 4000 fé: Látszó méret (V) 12' Látszólagos magnitúdó (V) 7,2: Fizikai tulajdonságok: Sugár: 5: Más elnevezések: Caldwell 19, Selyemgubó-köd IC 5146, Nebuloasa Cocon sau Caldwell 19 este o nebuloasă de reflexie sau de de emisie din constelația Lebăda. Referințe Legături externe. SEDS – IC 1 3.729 40301314 cam01 5.05 15.45 ic 5146 p5 1996-12-23t17:57:31 506 17162 216"x198" 328.4153 +47.3106 elada + clustobs 2 4.175 40201103 cam01 5.05 15.45 ic 5146 p1 1996-12-22t18:04:17 506 17126 216"x198" 328.3842 +47.2014 elada + clustobs 3 4.393 41600512 cam01 5.05 15.45 ic 5146 p3 1997-01-05t12:02:21 506 17692 216"x198" 328.4574 +47.2741 elada + clustobs 4 4.968 41600415 cam01 5.05 15.45 ic IC 5146 (còn có tên gọi khác là Caldwell 19, Sh 2-125 và Tinh vân Kén) là tên của một tinh vân phản xạ /phát xạ nằm trong chòm Thiên Nga.Theo diễn tả của NGC thì nó là một cụm tinh vân sáng và tối có những ngôi sao có cấp sao biể kiến là 9,5. ices in the IC 5146 dark cloud complex. IC 5146 is nearly 3 in extent, located in the direction of Cygnus (Elias 1978; Dobashi et al. 1992).

IC 5146 (The Cocoon Nebula) July 16, 2020 November 3, 2020 rupeshjoy143 IC5146 also known as The Cocoon Nebula is a reflection/emission nebula in the constellation Cygnus.

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IC 5146, the Cocoon Nebula, is located in a dense part of the Milky Way in Northern Cygnus. It can be found at the eastern end of the elongated dark cloud Barnard … IC 5146 (The Cocoon Nebula) July 16, 2020 November 3, 2020 rupeshjoy143. IC5146 also known as The Cocoon Nebula is a reflection/emission nebula in the constellation Cygnus.