Hemisphere:  Southern  ·  Constellation: Scorpius (Sco)  ·  Contains:  NGC 6334  ·  NGC6334  ·  Sh2-8
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Cat's Paw (NGC6334) - Ehanced Luminance, 


            Rodney Watters

Cat's Paw (NGC6334) - Ehanced Luminance

Technical card

Imaging telescopes or lenses: Tak TSA120

Imaging cameras: QSI 683 ws-8

Mounts: EQ8

Guiding telescopes or lenses: ZWO Off Axis Guider  ·  Tak TSA120

Guiding cameras: Starlight Xpress Lodestar x2

Focal reducers: Takahashi TOA Reducer .75x

Software: Pixinsight 1.8

Filters: Astronomik SII 1.25" 6nm  ·  Astronomik Ha 1.25" 6nm  ·  Astronomik OIII 1.25" 6nm

Dates:June 29, 2019July 20, 2019July 22, 2019

Astronomik Ha 1.25" 6nm: 20x1200" -20C bin 1x1
Astronomik OIII 1.25" 6nm: 22x1200" -20C bin 1x1
Astronomik SII 1.25" 6nm: 20x1200" -20C bin 1x1

Integration: 20.7 hours

Darks: ~50

Flats: ~50

Bias: ~100

Avg. Moon age: 21.30 days

Avg. Moon phase: 58.44%

Astrometry.net job: 2906818

RA center: 17h 18' 53"

DEC center: -35° 55' 58"

Pixel scale: 1.645 arcsec/pixel

Orientation: -87.193 degrees

Field radius: 0.934 degrees

Resolution: 3272x2452

Data source: Backyard


This is an enhanced luminance image built by combining the processed masters from the Ha, SII and OIII channels. Combining the masters in this way helps to bring out additional detail contributed from each of the narrow band channels. Combination was executed using the MAX function in Pixinsight using the Pixel Math process.


Sky plot

Sky plot


Cat's Paw (NGC6334) - Ehanced Luminance, 


            Rodney Watters