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Bubble Nebula. Aug-2014 color pictures., Niels V. Christensen

Bubble Nebula. Aug-2014 color pictures.

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Description

Note 1. July-2019:

This image is still categorized as "Lacking data", one of 21 pics, which I don't understand?

What is missing?

NGC7635, the Bubble Nebula, pictures were taken during Aug-2014, Copenhagen Denmark.

The images consist of the following data:

Left side picture: A L-HaOIII-RHa,BOIII,GOIII picture. Exposure: L=32*30sec+17*60sec+21*120sec=75min. Ha=4*600sec=40min. and OIII=13*300sec=65min. R,G,B=61,49,40*60sec=150min.

In the middle: Added 23*5min. SII subs, in order to make a Hubble palette picture, stars are shown in RGB colors.

Right side picture: My final 2014 Bubble, it's a L-NB-RHaSII,GOIII,BOIII picture, in total 7,4 hours of exposure.

Picture size shown is 50%.

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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Bubble Nebula. Aug-2014 color pictures., Niels V. Christensen