Celestial hemisphere:  Northern  ·  Constellation: Cygnus (Cyg)  ·  Contains:  B168  ·  Cocoon nebula  ·  IC 5146  ·  LBN 424  ·  LDN 1055  ·  Sh2-125
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IC5146, the Cocoon Nebula, Niels V. Christensen
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IC5146, the Cocoon Nebula

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Description

The subs were taken in Aug-2014.

It's a 2LHa-RHaSII,GOIII, BOIII picture and the total exposure time used was 9.1hours.

Divided on filters like this, L=82min, R=56min,G=49min,B=57min,Ha=140min,OIII=70min,SII=95min.

Sub exposure length were from 30sec to 300sec depending of filter type.

The picture size shown is 70%.

My astro web pages are: www.astro-hp.dk and www.astro-billeder.dk

My home build observatory is placed in my front yard/in the "red light" polution zone, have a look here,

https://www.dropbox.com/s/lnr3elrgm81uj0i/Light-polution-mapDK.jpg?dl=0

Kind regards Niels

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IC5146, the Cocoon Nebula, Niels V. Christensen