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Crescent Nebula semi-wide field
 

Crescent Nebula semi-wide field


Astroarg
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The floating brain of space.

An emission nebula in Cygnus, part of the rich-band of the Milky Way we can see, and is "approximately" 5,000 light years away from us.

Estimated to be 4-5 million years old. The star that has caused the shell of gas will likely supernova when it finally runs out of fuel

 

This was tough to process as nearly all 22 images were affected by high wind and high clouds. Just shy of 2 hours integration, definitely needs a lot more pumping in (most detail in astro images comes out on the 10+ hour mark)

Tried to emphasise the dark nebula structures and Hydrogen wisps in the background.

 

 

Techy details for the astro-nerds:

Altair 72EDF + dedicated 1x flattener

Altair 26C + Altair Duo Band HA/OIII 7nm filter

iOptron CEM25P guided with Altair MG32 package

Captured in NINA (~22 x 300s)

Processed in PI with Master Dark and flats

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Nice image. I currently use the Lextreme which is I think pretty much similar to the filter you've used. My kit is all Altair so may consider swapping. How do you find it? 

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Love the soft gentle colour approach, makes it a super image. Lots of good nebulosity showing.

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On 10/3/2021 at 10:39 AM, Bunglesastroimaging said:

Nice image. I currently use the Lextreme which is I think pretty much similar to the filter you've used. My kit is all Altair so may consider swapping. How do you find it? 

Hi Bungle.. as per my comment on one of the Altair FB posts, what I thought was filter issues turned out to be flattener issues (proved by testing all filters once I fitted new flattener) but I had already impatiently ordered the Altair one as was in stock.

Edited by Astroarg
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