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Contains:  IC 4605, rho Oph nebula, IC 4604, IC 4603, M 4, NGC 6121, IC 4601, IC 4592, The star ωOph, The star χOph, The star ω2Sco, The star φOph, The star νSco, The star ω1Sco, The star τSco, The star Al Niyat (σSco), The star Graffias (β1Sco), The star Antares (αSco), Part of the constellation Scorpius (Sco)
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Rho Ophiuchi, IC4592

Technical card

Resolution: 5292x3451

Dates:July 24, 2017

Frames: 41x300"

Integration: 3.4 hours

Avg. Moon age: 1.22 days

Avg. Moon phase: 1.68%

Astrometry.net job: 3163862

RA center: 16h 24' 4"

DEC center: -23° 2' 49"

Pixel scale: 10.110 arcsec/pixel

Orientation: 289.414 degrees

Field radius: 8.870

Locations: Mount Heng, Heng shan, Hunan, China

Data source: Traveller

Comments

Author

s1macau
s1macau
License: None (All rights reserved)
7357
Like

Revisions

B

added 20 samples. now total exp. is 41*300s=3.41hours

D

What I've Done in this version 1. Applied improved star- shrink method 2. Redo noise reduction 3. Applied improved sharpen and contest boost method 4. Brightness and color adjustment

Sky plot

Sky plot

Histogram

Rho Ophiuchi, IC4592, 





    
        

            s1macau

In these public groups

China Lijiang Gemini Observatory