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



    
        

            s1macau
Rho Ophiuchi, IC4592
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Rho Ophiuchi, IC4592

Technical card

Imaging telescopes or lenses: Canon 135mm f2.0 L

Imaging cameras: Central DS Astro 6D

Mounts: iOptron CEM25-EC

Software: PixInsight  ·  Photoshop CS5

Accessory: polemaster


Dates:July 24, 2017

Frames: 41x300"

Integration: 3.4 hours

Avg. Moon age: 1.22 days

Avg. Moon phase: 1.68%


Basic astrometry details

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 degrees


Resolution: 5292x3451

Locations: Mount Heng, Heng shan, Hunan, China

Data source: Traveller

Comments

Revisions

    Rho Ophiuchi, IC4592, 



    
        

            s1macau
    Original
    Rho Ophiuchi, IC4592, 



    
        

            s1macau
    B
  • Final
    Rho Ophiuchi, IC4592, 



    
        

            s1macau
    D

B

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

Uploaded: ...

D

Description: 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

Uploaded: ...

Sky plot

Sky plot

Histogram

Rho Ophiuchi, IC4592, 



    
        

            s1macau

In these public groups

China Lijiang Gemini Observatory