NGC6888 Crescent an...
 
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NGC6888 Crescent and Soap Bubble Nebulae in Cygnus in HOO2 narrowband


(@christinez)
White Dwarf Customer
Joined: 2 years ago
Posts: 19
Topic starter  
Crescent Nebula & Soap Bubble 3

23x300s (Chroma Ha-5nm)

16x300s (Chroma O3-3nm)

Calibration frames: darks, flats and bias

ASI2600MM Pro at prime 540mm WO FLT91, on a TTS-160 Panther alt-az and TTS-rOTAtor. Guided. Bortle 5-6 sky.

Pre and post processed in APP, additional post process in Affinity Photo and Topaz DeNoise AI. 


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(@jeffmorgan)
Main Sequence Star Customer
Joined: 1 year ago
Posts: 53
 

Very nice!

 

I just did a 17 hour SHO image hoping to catch the Soap Bubble only to discover I did not have correct camera rotation. Doh!

 

Someone obviously moved the target. That is my story and I am sticking with it. 😉 


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(@christinez)
White Dwarf Customer
Joined: 2 years ago
Posts: 19
Topic starter  

@jeffmorgan Thanks Jeff!

Well, it's a soap bubble...they dance, pop, and spawn in the ether...

I've done both a SHO and LRGBHOS of the Cresent...but I find that it pops in O-III ...picking up the Wolf-Rayet shock wave and the Soap Bubble really well. I am now working on a LRGBHOO version, the SII doesn't really boost any of the nebulosity at all. I get plenty of signal in Red, but may shoot another set of LRGB adjusting gain...I find the Red tends to blow out easily in this region.  


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