Hemisphere:  Southern  ·  Constellation: Ophiuchus (Oph)  ·  Contains:  IC 4603

Image of the day 01/27/2019

    IC4603 Dark clouds in Rho Ophiuchi, 



    
        

            Péter Feltóti
    IC4603 Dark clouds in Rho Ophiuchi
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    IC4603 Dark clouds in Rho Ophiuchi

    Technical card

    Imaging telescopes or lenses: SkyWatcher 200/800 carbon Newton astrograph

    Imaging cameras: Canon EOS 600D(a)

    Mounts: SkyWatcher NEQ6 PRO belt modified

    Guiding telescopes or lenses: SkyWatcher 53 mm mini (for guiding)

    Guiding cameras: Mgen guide camera

    Focal reducers: Skywatcher F4 coma corrector

    Software: Auriga Imaging RegiStar 1.0.9  ·  Photoshop CC  ·  Nebulosity 3.3.3

    Accessory: Lacerta Mgen autoguider


    Dates:May 13, 2018

    Frames: 89x300" ISO800

    Integration: 7.4 hours

    Avg. Moon age: 27.37 days

    Avg. Moon phase: 5.21%

    Bortle Dark-Sky Scale: 1.00

    Temperature: 5.00


    Basic astrometry details

    Astrometry.net job: 2483841

    RA center: 16h 26' 22"

    DEC center: -24° 23' 24"

    Pixel scale: 2.335 arcsec/pixel

    Orientation: 12.845 degrees

    Field radius: 0.918 degrees


    Resolution: 2400x1500

    Locations: Farm Isabis, Isabis Farm, Windhoek, Namibia

    Data source: Traveller

    Description

    This region is in the center of well known nebula complex Rho Ophiuchi yet it is quite mysterious due to it's dark dust clouds and faint occulted stars.

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    IC4603 Dark clouds in Rho Ophiuchi, 



    
        

            Péter Feltóti