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Contains:  Part of the constellation Sagittarius (Sgr), The constellation Corona Austrina (CrA), The star Rukbat (αSgr), The star αCrA, The star βCrA, The star γCrA, The star δCrA, The star εCrA, The star ζCrA, The star ηSgr, The star θCrA

Image of the day 10/27/2017

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    Corona Australis wide field, 



    
        

            tommy_nawratil
    Corona Australis wide field
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    Corona Australis wide field

    Technical card

    Imaging telescopes or lenses:Samyang 135mm f/2 ED UMC

    Imaging cameras:Canon Eos6da

    Mounts:iOptron 3200

    Guiding telescopes or lenses:Skywatcher 9x50 finder

    Guiding cameras:Lacerta MGEN

    Software:PhotoshopPleiades Astrophoto, S.L. Pix Insight


    Dates:Aug. 20, 2017

    Frames: 34x120" bin 0x0

    Integration: 1.1 hours

    Avg. Moon age: 28.14 days

    Avg. Moon phase: 2.17%


    Basic astrometry details

    Astrometry.net job: 1781762

    RA center: 18h 53' 1"

    DEC center: -39° 6' 3"

    Pixel scale: 15.740 arcsec/pixel

    Orientation: 11.233 degrees

    Field radius: 9.537 degrees


    Resolution: 3628x2423

    Locations: Hakos Guest Farm, 100km past Windhoek, Namibia

    Data source: Traveller

    Description

    Corona Australis, the southern crown, is located next to the galactic bulge, and harbours a complex of dust plumes and reflection nebulae. Visually the dust looks like a shadow cast on the background stars, but on the photo it can be displayed with depth and detail. To the right the condensing mass of bulge stars intensify ever more, forming a counterpoint rarely seen in an astrophoto.

    A full field with Samyang 135mm at open f/2 and Eos6d is shown, and an annotated version. To take a closer look please move on to the next picture entry, taken with 300mm.

    Comments

    Author

    tommy_nawratil
    tommy_nawratil
    License: None (All rights reserved)
    166026
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    Revisions

    • Final
      Corona Australis wide field, 



    
        

            tommy_nawratil
      Original
      Corona Australis wide field, 



    
        

            tommy_nawratil
      B

    B

    Description: annotated version

    Sky plot

    Sky plot

    Histogram

    Corona Australis wide field, 



    
        

            tommy_nawratil