"House of the Dragon" in Cygnus (Jeff Rothstein)

Celestial hemisphere: Northern · Constellation: Cygnus (Cyg)

"House of the Dragon" in Cygnus, Jeff Rothstein

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"House of the Dragon" in Cygnus

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"House of the Dragon" in Cygnus

Syrax? Caraxes? Vhagar? Have the battles of MAX's House of the Dragon moved much further overhead?

This is Sh2-114, the Flying Dragon in Cygnus. It's a very faint HII region and very little is known about it. It looks like a supernova remnant but no source has been found. Perhaps it is merely wisps of hydrogen blown and formed by powerful stellar winds. I could find no report of its distance.

I originally planned an HaRGB image, but then I decided to see what SiI and OiII subs might add. Perhaps it's my Bortle 5 backyard, perhaps it's the relatively modest aperture of my telescope, but nearly 6 hours of OiII data produced no signal that I could see. That meant that my SHO image was really just a "SH", and various processes did little to alter its deep green cast. HOO was similarly useless. I then turned my attention to RGB. The signal was again faint, but at least it was discernable. I added Ha using ImageBlend to produce my first version, and I experimented with NBRGB Combination and found an interesting golden result when I put Ha in the Red and SiI in the Green. That is revision B. The SiI signal helps distinguish the dragon from the background HII regions. I completed all processing in PixInsight. In both Revs A and B I removed the NB stars and replaced them with RGB stars.

I invite your comments and suggestions for improvement.

Original
Final
B
C

C

Title: Ha Details

Description: This is the integrated Ha, alone.

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