Hemisphere:  Northern  ·  Contains:  Cocoon nebula  ·  IC 5146
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Cocoon Nebula details  (IC5146) in HαRGB, 


            Jose Carballada
Cocoon Nebula details  (IC5146) in HαRGB
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Cocoon Nebula details (IC5146) in HαRGB

Imaging telescopes or lenses: Altair Astro RC250-TT 10" RC Truss Tube

Imaging cameras: ZWO ASI1600MM-Cool

Mounts: Mesu 200 Mk2

Guiding telescopes or lenses: Celestron OAG Deluxe

Guiding cameras: QHYCCD QHY5III174

Focal reducers: Riccardi Reducer/Flattener 0.75x

Software: Pleiades Astrophoto PixInsight  ·  Seqence Generator Pro

Filters: Astrodon R Gen.2 E-series 36mm  ·  Astrodon G Gen.2 E-series 36mm  ·  Astrodon B Gen.2 E-series 36mm  ·  Astrodon HA 36mm - 5nm  ·  Astrodon L Gen.2 E-series 36mm

Accessory: ZWO EFW  ·  MoonLite NiteCrawler WR30

Dates:Sept. 5, 2019Sept. 6, 2019Sept. 7, 2019Sept. 23, 2019Sept. 26, 2019

Astrodon B Gen.2 E-series 36mm: 80x180" (gain: 75.00) -20C bin 1x1
Astrodon G Gen.2 E-series 36mm: 80x180" (gain: 75.00) -20C bin 1x1
Astrodon HA 36mm - 5nm: 20x600" (gain: 200.00) -20C bin 1x1
Astrodon L Gen.2 E-series 36mm: 280x180" (gain: 75.00) -20C bin 1x1
Astrodon R Gen.2 E-series 36mm: 80x180" (gain: 75.00) -20C bin 1x1

Integration: 29.3 hours

Avg. Moon age: 14.73 days

Avg. Moon phase: 40.69%

Astrometry.net job: 2947619

RA center: 21h 53' 28"

DEC center: +47° 16' 1"

Pixel scale: 1.007 arcsec/pixel

Orientation: 270.069 degrees

Field radius: 0.408 degrees

Resolution: 2328x1760

Locations: AAS Montsec, Àger, Lleida, Spain

Data source: Own remote observatory

Remote source: Non-commercial independent facility


Close to 30 hours of integration time, under one of the best skies in Europe!

IC 5146 (the Cocoon Nebula) is a reflection/emission nebula in the constellation Cygnus. The cluster is about 4,000 ly away, and the central star that lights it formed about 100,000 years ago; the nebula is about 12 arcmins across, which is equivalent to a span of 15 light years.

(description credits: Wikipedia)



Jose Carballada
License: Attribution-NonCommercial-ShareAlike Creative Commons

Sky plot

Sky plot


Cocoon Nebula details  (IC5146) in HαRGB, 


            Jose Carballada