Hemisphere:  Northern  ·  Constellation: Cygnus (Cyg)  ·  Contains:  NGC 6883  ·  NGC6883
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WR 134 - V1769 Cyg, 


            Wissam Ayoub
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WR 134 - V1769 Cyg

Imaging telescopes or lenses: Explore Scientific 127mm ED TRIPLET APO

Imaging cameras: ZWO ASI1600MM Pro-Cool

Mounts: iOptron CEM60

Guiding cameras: ZWO ASI290MM mini

Focal reducers: Explore Scientific 0.7 Reducer/Flattener

Software: PixInsight 1.8.8 Ripley  ·  Adobe Photoshop CC  ·  Topaz Denoise Topaz

Filters: Chroma 3nm OIII  ·  Chroma 3nm Ha

Accessory: ZWO EAF Electronic Auto Focuser  ·  ZWO ASIAIR Pro  ·  ZWO OAG  ·  ZWO 8x 1.25" Filter Wheel (EFW)

Dates:Dec. 3, 2020Dec. 4, 2020

Chroma 3nm Ha: 10x600" (gain: 200.00) -20C bin 1x1
Chroma 3nm OIII: 22x600" (gain: 200.00) -20C bin 1x1

Integration: 5.3 hours

Darks: ~30

Flats: ~30

Flat darks: ~60

Avg. Moon age: 18.13 days

Avg. Moon phase: 87.56%

Bortle Dark-Sky Scale: 4.00

Temperature: 20.00

Astrometry.net job: 4066532

RA center: 20h 10' 12"

DEC center: +36° 10' 33"

Pixel scale: 1.159 arcsec/pixel

Orientation: 4.644 degrees

Field radius: 0.939 degrees

Resolution: 4656x3520

Locations: UAE desert, Abu Dhabi, United Arab Emirates

Data source: Traveller


It was a challenge, not with the target itself but with the nature!
I had only few hours within 2 nights to image WR 134, Dec 3 & 4, 2020.
In the first night I had a window of around 1 hour before the moon rises, on the 2nd night I had only around 2 hours, then managed some Ha with moon light.
Not only that, the target was very low, I started imaging at altitude 45 degrees, the last sub was taken at altitude 6 degrees!
HOO + RGB stars, zero crop.


Sky plot

Sky plot


WR 134 - V1769 Cyg, 


            Wissam Ayoub