Hemisphere:  Southern  ·  Constellation: Ara (Ara)  ·  Contains:  NGC 6165  ·  NGC 6188  ·  NGC 6193  ·  Rim Nebula
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Fighting Dragons (NGC6188) in SHO with special guest star appearance by PK 336-0.1, 



    
        

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Fighting Dragons (NGC6188) in SHO with special guest star appearance by PK 336-0.1
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Fighting Dragons (NGC6188) in SHO with special guest star appearance by PK 336-0.1

Getting plate-solving status, please wait...
Fighting Dragons (NGC6188) in SHO with special guest star appearance by PK 336-0.1, 



    
        

            robonrome
Fighting Dragons (NGC6188) in SHO with special guest star appearance by PK 336-0.1
Powered byPixInsight

Fighting Dragons (NGC6188) in SHO with special guest star appearance by PK 336-0.1

Technical card

Imaging telescopes or lenses: APM LZOS 130/780

Imaging cameras: ZWO ASI294MM Pro

Mounts: iOptron CEM70

Guiding telescopes or lenses: PrimaLuceLab 240mm guide scope

Guiding cameras: zwo asi224 mc

Focal reducers: Riccardi RIRED-M63

Software: Photoshop CC  ·  Aries Production astro pixel processor  ·  StarTools 1.7

Filters: Antlia SII 3.5nm  ·  Antlia 3.5nm Ha  ·  Antlia 3.5nm OIII

Accessory: ZWO EAF Focuser  ·  ZWO EFW 36mm  ·  PrimaLuceLab ECCO ECCO  ·  PRIMALUCE LAB Eagle 3s


Dates:May 19, 2021

Frames: 246x300" (20h 30')

Integration: 20h 30'

Avg. Moon age: 7.09 days

Avg. Moon phase: 46.91%


Basic astrometry details

Astrometry.net job: 4524588

RA center: 16h 38' 20"

DEC center: -48° 34' 30"

Pixel scale: 1.616 arcsec/pixel

Orientation: 357.251 degrees

Field radius: 1.095 degrees


Resolution: 4064x2702

Locations: Backyard, Brisbane, Queensland, Australia

Data source: Backyard

Description

I think this is my longest integration thus far, just over the 20 hour mark.

Focus was on the "fighting dragons", but I think this wierd little Planetary? nebula (PK336-0.1 or NGC's 6164/5 and 5189) and it's surrounding shell kinda steals the show. I had no idea it was here till I started imaging and it is an intriguing little object.

That's why I turned this on it's side rather than have the dragons facing each other horizontally across the frame as is most common...didn't want to relegate my little PK friend down the bottom to be missed :-)

I was trying to get the back story on it (PK336-0.1) but not clear...think it's two events...the fine blue outer ring earlier than the "s" shaped central nebula.

Guess those dragons have quite a bit of interest as well ;-)

Taken over 4 nights with roughly equal parts Ha, OIII and SII.

Stacked into channels in APP and combined and processed in Startools with final tweaks in PS.

Comments

Revisions

  • Final
    Fighting Dragons (NGC6188) in SHO with special guest star appearance by PK 336-0.1, 



    
        

            robonrome
    Original
  • Fighting Dragons (NGC6188) in SHO with special guest star appearance by PK 336-0.1, 



    
        

            robonrome
    B

B

Description: a more subtle treatment less crunch more fuzzy style to try and preserve better stars

Uploaded: ...

Sky plot

Sky plot

Histogram

Fighting Dragons (NGC6188) in SHO with special guest star appearance by PK 336-0.1, 



    
        

            robonrome