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Gina

Cygnus Loop in bi-colour (Veil Nebulae etc.)

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Ha and OIII combined HOO > RGB.  Processed in PixInsight and GIMP.  2h Ha plus 2h OIII integration time captured concurrently on my dual imaging rig.  ASI1600MM-Cool cameras set to unity gain, Astrodon 3nm NB filters and Asahi (Pentax) SuperMultiCoated Takumar 200mm f4 lenses.

271141343_CygnusLoop-v.thumb.png.918e2c682c3287ac765fb75e6f911435.png

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Impressive piece of work. Well done gina.

Just a thought, wondering if star reduction would bring the nebulosity forward in the image a little.

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That is beautiful!

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1 hour ago, MarkAR said:

Impressive piece of work. Well done gina.

Thank you very much.

1 hour ago, MarkAR said:

Just a thought, wondering if star reduction would bring the nebulosity forward in the image a little.

Very probably.  This is something I'm planning to look at.

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That's really excellent! I'm renaming this object though to The Skyrim Nebula

20200523_165817.png.831d1a6209e52c977d2a8d742fe6d67a.png

 

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Posted (edited)
Quote

Ha and OIII combined HOO > RGB.  Processed in PixInsight and GIMP.  2h Ha plus 2h OIII integration time captured concurrently on my dual imaging rig.  ASI1600MM-Cool cameras set to unity gain, Astrodon 3nm NB filters and Asahi (Pentax) SuperMultiCoated Takumar 200mm f4 lenses.

271141343_CygnusLoop-v.thumb.png.918e2c682c3287ac765fb75e6f911435.png

 

Fabulous result Gina, it's rising from the behind the houses too late for me ATM but if mine comes out half as good as that once I can get to it, I will be more than pleased.

Carole 

Edited by carastro
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Thank you very much Carole.

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Very beautiful :)

 

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I knew this was going to be a cracker when that first frame came in. Stunning image Gina.

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That is really rather lovely Gina, big thumbs up from me.

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A new version with shorter exposures and a processing parameter in PI adjusted giving increased dynamic range.

1058193245_CLbi-colour-2s.png.3137b0b77f0f61915f5e160729a5983f.png

Rotated to put north at the top.
133812941_CLbi-colour-2sv.thumb.png.99990a36894273109b13703a0056927a.png

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Stunning... Was just thinking about the whole bi-colour thing generally! 🙂

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Brilliant Gina - you so rarely see the whole of the nebula imaged and as a target I find the witches broom a bit unsatisfactory for some reason but in context this all looks great.  I much, much prefer your original process, for what my opinion is worth.

I am inspired to try my RedCat on this - it's yet to get first light.

Thanks for sharing.

Stay safe and well, Ian

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