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Contains:  IC 4605, NGC 6144, rho Oph nebula, IC 4604, IC 4603, M 4, NGC 6121, The star τSco, The star 22Sco, The star Antares (αSco), The star ρOph, The star Al Niyat (σSco), The star οSco, Part of the constellation Scorpius (Sco)
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The Scorpius-Ophiuchus Region, 


            Shenyan Zhang
The Scorpius-Ophiuchus Region

The Scorpius-Ophiuchus Region

Technical card

Resolution: 4197x2361

Integration: 0.0 hours job: 2805562

RA center: 246.949 degrees

DEC center: -25.716 degrees

Pixel scale: 6.508 arcsec/pixel

Orientation: 88.916 degrees

Field radius: 4.352 degrees

Locations: Gemini Observatory, LI JIANG, YUN NAN, China

Data source: Own remote observatory


This is a 4*3 mosaic. Each frames were registed and color callibrated by Registar. My friend captured the photo months ago and I did the process few days ago. It was difinitily the most challenging work I have ever done due to the uneven gradient between each frames.

Photographer: Xiaoyang Zhang
Prosesser: Shenyan Zhang
Moravian 16200 with RGB filter
Each channel 30min

The version B is a reference image



Shenyan Zhang
License: None (All rights reserved)


  • Final
    The Scorpius-Ophiuchus Region, 


            Shenyan Zhang
  • The Scorpius-Ophiuchus Region, 


            Shenyan Zhang
  • The Scorpius-Ophiuchus Region, 


            Shenyan Zhang

Sky plot

Sky plot


The Scorpius-Ophiuchus Region, 


            Shenyan Zhang