Cookie consent

AstroBin saves small pieces of text information (cookies) on your device in order to deliver better content and for statistical purposes. You can disable the usage of cookies by changing the settings of your browser. By browsing AstroBin without changing the browser settings, you grant us permission to store that information on your device.

I agree
Contains:  Cocoon nebula, IC 5146
Getting plate-solving status, please wait...
The Cocoon Nebula in Cygnus, 


            Steve Milne
The Cocoon Nebula in Cygnus

Technical card

Resolution: 3346x2688

Dates:Sept. 20, 2019

Astrodon Tru-Balance LRGB E-Series Gen 2 Blue: 27x300" bin 1x1
Astrodon Tru-Balance LRGB E-Series Gen 2 Green: 28x300" bin 1x1
Astrodon Ha 3nm: 27x1199" bin 1x1
Astrodon Tru-Balance LRGB E-Series Gen 2 Luminance: 36x600" bin 1x1
Astrodon Tru-Balance LRGB E-Series Gen 2 Red: 28x300" bin 1x1

Integration: 21.9 hours

Avg. Moon age: 20.56 days

Avg. Moon phase: 66.57% job: 2954040

RA center: 328.318 degrees

DEC center: 47.283 degrees

Pixel scale: 0.743 arcsec/pixel

Orientation: 89.777 degrees

Field radius: 0.443 degrees

Locations: E-EyE, Fregenal de la Sierra, Extremadura, Spain

Data source: Own remote observatory

Remote source: e-EyE Extremadura


The Cocoon Nebula (IC 5146, Sh 2-125, Caldwell 19) is a star forming region some 4,000 light years away in the constellation of Cygnus. It contains both reflection and emission nebulae.

The Cocoon was photographed between 21 August and 20 September 2019 from a remote imaging rig that is jointly owned and operated by Barry Wilson and me.

Capture details are as follows:

Telescope: TEC 140
Camera: QSI 690
Filters: Astrodon
Mount: 10 Micron GM2000HPS

Ha: 27 x 1200s
Lum: Ha: 36 x 600s
Red: 28 x 300s
Green: 28 x 300s
Blue: 27 x 300s

A total of 21 hours and 55 minutes exposure.

Data: Steve Milne & Barry Wilson
Processing: Steve Milne



Steve Milne
License: None (All rights reserved)

Sky plot

Sky plot


The Cocoon Nebula in Cygnus, 


            Steve Milne