Hemisphere:  Northern  ·  Constellation: Cygnus (Cyg)  ·  Contains:  Cocoon nebula  ·  IC 5146
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IC 5146  Cocoon nebula, 


            Roberto Coleschi
IC 5146  Cocoon nebula
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IC 5146 Cocoon nebula

Technical card

Imaging telescopes or lenses: Vixen AX103S

Imaging cameras: QHY8L OSC QHY8L

Mounts: Avalon Linear FR

Guiding cameras: Starlight Xpress Lodestar guide camera

Software: PixInsight 1.8  ·  Adobe Photoshop CC

Filters: IDAS LPS D1 2"

Accessory: Off-Axis Guider TSOAG9

Dates:Sept. 11, 2015

Frames: 20x720"

Integration: 4.0 hours

Avg. Moon age: 27.93 days

Avg. Moon phase: 2.89%

Basic astrometry details

Astrometry.net job: 771142

RA center: 21h 54' 22"

DEC center: +47° 13' 12"

Pixel scale: 2.776 arcsec/pixel

Orientation: -176.672 degrees

Field radius: 1.356 degrees

Resolution: 2944x1924


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 (from: Wikpedia)


Sky plot

Sky plot


IC 5146  Cocoon nebula, 


            Roberto Coleschi

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