Hemisphere:  Southern  ·  Constellation: Scorpius (Sco)  ·  Contains:  B257  ·  B258  ·  NGC 6334  ·  NGC 6357  ·  NGC6334  ·  NGC6357  ·  PK352+00.1  ·  PK352-00.1  ·  Sh2-10  ·  Sh2-11  ·  Sh2-8  ·  the War and Peace Nebula
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The Cat and The Lobster SHO with RGB Stars, 



    
        

            Matt Hughes
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The Cat and The Lobster SHO with RGB Stars

Getting plate-solving status, please wait...
The Cat and The Lobster SHO with RGB Stars, 



    
        

            Matt Hughes
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The Cat and The Lobster SHO with RGB Stars

Imaging telescopes or lenses: Takahashi FSQ-106EDX IV

Imaging cameras: QHYCCD QHY600M

Mounts: Astro-Physics AP 1100 GTO AE

Guiding telescopes or lenses: Takahashi FSQ-106EDX IV

Guiding cameras: Starlight Xpress Lodestar Autoguider X2

Filters: Astrodon 50mm 3nm Ha  ·  Astrodon 50mm Blue  ·  Astrodon 50mm Green  ·  Astrodon 50mm Red  ·  Astrodon 50mm 5nm OIII  ·  Chroma SII 5nm 50mm Square  ·  Astrodon 50mm Luminance

Accessory: Moonlite Nitecrawler WR35  ·  Finger Lake Instruments CL-1-10


Dates:May 24, 2020May 25, 2020May 26, 2020June 23, 2020June 25, 2020June 27, 2020June 28, 2020

Frames:
Astrodon 50mm 3nm Ha: 40x600" (6h 40') (gain: 27.00) -20C bin 1x1
Astrodon 50mm 5nm OIII: 39x600" (6h 30') (gain: 27.00) -20C bin 1x1
Astrodon 50mm Blue: 21x600" (3h 30') (gain: 27.00) -20C bin 1x1
Astrodon 50mm Green: 20x600" (3h 20') (gain: 27.00) 20C bin 1x1
Astrodon 50mm Luminance: 28x600" (4h 40') (gain: 27.00) -20C bin 1x1
Astrodon 50mm Red: 21x600" (3h 30') (gain: 27.00) -20C bin 1x1
Chroma SII 5nm 50mm Square: 40x600" (6h 40') (gain: 27.00) -20C bin 1x1

Integration: 34h 50'

Darks: ~38

Flats: ~30

Flat darks: ~70

Bias: ~27

Avg. Moon age: 4.08 days

Avg. Moon phase: 20.39%

Bortle Dark-Sky Scale: 2.29

Mean SQM: 21.51


Astrometry.net job: 3692084

RA center: 17h 22' 22"

DEC center: -34° 49' 10"

Pixel scale: 1.459 arcsec/pixel

Orientation: -50.212 degrees

Field radius: 2.291 degrees


Resolution: 9443x6220

Locations: Terrick Terrick National Park, Terrick Terrick, Victoria, Australia

Data source: Traveller

Description

This is a wide field image of NGC6334 -Cat's Paw Nebula and the War and Peace Nebula NGC6357 also known by some as the Lobster Nebula.

Frames captured over many nights in May and June 2020.

The narrowband data was taken mainly from my Bortle 4 skies at home and some from a dark site called Terrick Terrick national Park in Victoria Australia. All Broadband data was taken from Terrick Terrick national park. My Skymeter readings are 21.51 with the Milky Way core high above but it is known usually as a 22.00 site.

I have also done a RGBHaO3S2 image which can be found at:

https://astrob.in/xiuujg/0/

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            Matt Hughes
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The Cat and The Lobster SHO with RGB Stars, 



    
        

            Matt Hughes