My Astrophotography – LDN 1610 (B168 – Black Cigar)

LDN 1610 (B168 – Black Cigar)

  • LDN 1610 is a long, filamentary dark molecular cloud in Cygnus, about 15 light‑years long, seen in silhouette against the bright Milky Way.
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  • It’s part of the same star‑forming complex that includes the Cocoon Nebula (IC 5146).
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  • Also know as B168 is stretched into a long, straight dust lane ~ hence the nickname Black Cigar.
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  • These are the Lynds Dark Nebulae commonly associated with the Cocoon / B168 filament in mapping (see annotated):

    – LDN 1020 (part of the below far elongated lane.)
    – LDN 1030 (part of the below elongated lane.)
    – LDN 1031 (part of the below elongated lane.)
    – LDN 1035 (western extension of the filament.)
    – LDN 1040 (denser knot.)
    – LDN 1042 (segment approaching IC 5146.)
    – LDN 1045 (small high‑opacity patch embedded in the lane.)


  • Object Name
    LDN 1610

  • Object Type
    Dark Nebula

  • Constellation
    Cygnus

  • Magnitude
    n/a

  • Distance
    3,250 light-years

  • Annotated

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Equipment

Telescope:

Mount:

Accessory:

Celestron 8-inch Edge HD

Sky-Watcher AZ-EQ6 GT

ZWO ASIair Plus / PixInsight

Camera:

Guiding:

Filter:

ZWO ASI585MC Pro cooling

ZWO ASI1200MM

2″ Optolong eNchance

Bortle Scale: Saxmundham, Suffolk (Bortle 4.2)


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Integration

  • Date:
  • Moonlit:
  • Total:

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Constellation :- Cygnus (The Swan)
(Find the Lynds Dark Nebulae commonly associated with the Cocoon Nebula ~ IC 5146.)

Object :-

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Object :-

Other name :-
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Type :

Magnitude :

Distance :-

Constellation :-

Right Ascension :-

Declination :-

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IC 5146

Cocoon Nebula / C19 / Sh2-125 / Cr470
Barnard 168 (dark lane)

Emission & reflection Nebulae

+9.3

3,250 light years / 15 light years across

Cyg (Cygnus / The Swan)

21h 53m 29s

+47°14′ 46″

Enlarge on click the map.

(Click the map above for a large view.)

Abbreviation:  Cyg
English Name:  The Swan
Genitive: Deneb
Hemisphere: Northern Hemisphere
Location: Between the constellations of Cephus and Draco.
Visible between latitudes:  +90 and -40 degrees
Best season: Autumn
Seen in three seasons: Summer, Autumn & Winter
Best seen in:  August (map) and September (map)
Seen between: May and November
Right Ascension (RA): 21 hour
Declination (DEC): +40 degrees
Area (square degrees):  804 (16th)

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Essentials: LDN 1610

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  • B168 is a dense lane of cold molecular gas and dust.
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  • It doesn’t shine; instead, it blocks the background starlight. In astrophysical terms, it’s:

    – a filamentary molecular cloud
    – composed mainly of H₂, dust grains, and trace molecules
    – with densities high enough to collapse into stars at its brighter tip (the Cocoon Nebula).
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  • It’s similar in nature to Barnard 68, but instead of being a compact, spherical Bok globule, B168 is stretched into a long, straight dust lane — hence the nickname Black Cigar.

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