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The Cygnus Wall
Lens: 910 mm Refractor Camera: K3ii Photo Location: Balcony ISO: 200 Shutter Speed: Above 6s 
Posted By: Pete_XL, 09-17-2018, 12:31 PM

The red emission Nebula called Cygnus Wall is the part of the North America Nebula (NGC7000) that resembles Mexico/Central America. The region is characterized by dark nebulas and dust lanes that give the scenery a dramatic attitude.
The image was made with a standard unmodified Pentax K3ii on a TS 130/910 refractor with 0.79x reducer. The blue/ red colors were generated by separating magenta and red in postprocessing and shifting the magenta more and more to light blue. The now blue colors should represent OII emission regions while the red colors come from Hydrogen alpha emissions.
39 x 300 s exposures @ ISO 200.




Astropixelprocessor and Photoshop CC2018


P.S. PENTAX FOR ASTRO!
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09-17-2018, 03:29 PM   #2
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A Star Abstract
09-18-2018, 04:19 PM   #3
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Nice work! That is incredible.
09-18-2018, 05:08 PM   #4
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Brilliant work! Love it!

09-18-2018, 05:11 PM   #5
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Very nice. A great capture and PP work.
09-18-2018, 11:19 PM   #6
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Thank you all for your friendly comments!!!!!
09-19-2018, 01:12 AM   #7
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That is beautiful shot!
09-19-2018, 09:07 AM   #8
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Just excellent!

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09-21-2018, 07:41 AM   #9
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Awesome! I need to get my mount up and running!
09-21-2018, 05:38 PM   #10
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This is amazing.
09-22-2018, 02:03 AM   #11
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Please continue doing this fine work and the technical explanations for those who can understand them but I feel honest admiration .
09-22-2018, 02:46 AM   #12
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QuoteOriginally posted by pichaser Quote
Please continue doing this fine work and the technical explanations for those who can understand them but I feel honest admiration .
Thank you pichaser and all the others here who gave friendly comments on my images.

It always feels a bit strange to share this special stuff here in the general picture forum. That is why I was a bit chary at this point in the past. But as I get a positive echo I will be continue posting astrophotos here. And maybe it also helps to let our PentaxForums astrophotograpy group grow.

Cheers Pete
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