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Contains:  IC 4605, NGC 6144, rho Oph nebula, IC 4604, IC 4603, M 4, NGC 6121, IC 4601, M 80, NGC 6093, IC 4592, The star 22Sco, The star ψOph, The star οSco, The star 13Sco, The star ωOph, The star χOph, The star ω2Sco, The star νSco, The star Al Niyat (σSco), The star Antares (αSco)
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Rho Ophiuchi Complex and the Blue Horse Head, 





    
        

            1074j
Rho Ophiuchi Complex and the Blue Horse Head

Rho Ophiuchi Complex and the Blue Horse Head

Technical card

Imaging telescope or lens:Rokinon 135mm f/2

Imaging camera:ZWO ASI071MC-Cool

Mount:CEM60

Guiding telescope or lens:Astro-Tech AT80EDT

Guiding camera:Starlight Xpress Lodestar X2 Lodestar Autoguider X2

Software:GIMP 2.9 GIMP 2NebulosityPHD GuidingStarTools

Resolution: 2435x1535

Dates:June 19, 2017

Frames: 27x100"

Integration: 0.8 hours

Avg. Moon age: 24.26 days

Avg. Moon phase: 28.29%

Astrometry.net job: 1704645

RA center: 245.498 degrees

DEC center: -22.703 degrees

Pixel scale: 15.164 arcsec/pixel

Orientation: 95.833 degrees

Field radius: 6.062 degrees

Locations: Paradise, Chiricahua Mountains, AZ, United States

Description

I'm still working some of the problems out with my new ASI071 set up as I still have some issues with reflections due to the IR/UV filter. Other than that, I like the camera and the more straightforward and quicker post processing that an OSC camera offers. I was getting burned out on how long it took to post process LRGB images and now my post processing is cut to less than 1/2 the time. The only thing I miss is being to image H-a as it frequently adds a nice punch to objects that have a fair amount. I have found that about 40 subs are a good number and I was only able to get 27 for this image. 27x100s, 90 gain.

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Author

1074j
1074j
License: Attribution-NonCommercial Creative Commons
5495
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  • Rho Ophiuchi Complex and the Blue Horse Head, 





    
        

            1074j
    Original
  • Rho Ophiuchi Complex and the Blue Horse Head, 





    
        

            1074j
    B
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    Rho Ophiuchi Complex and the Blue Horse Head, 





    
        

            1074j
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Rho Ophiuchi Complex and the Blue Horse Head, 





    
        

            1074j