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

Image of the day 10/27/2017

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Corona Australis wide field, 





    
        

            tommy_nawratil
Corona Australis wide field

Corona Australis wide field

Technical card

Imaging telescope or lens:Samyang 135mm f/2 ED UMC

Imaging camera:Canon Eos6da

Mount:iOptron 3200

Guiding telescope or lens:Skywatcher 9x50 finder

Guiding camera:Lacerta MGEN

Software:Pleiades Astrophoto, S.L. Pix InsightPhotoshop

Resolution: 2660x1773

Dates:Aug. 20, 2017

Frames: 34x120"

Integration: 1.1 hours

Avg. Moon age: 28.14 days

Avg. Moon phase: 2.17%

Astrometry.net job: 1781725

RA center: 283.256 degrees

DEC center: -39.099 degrees

Pixel scale: 21.483 arcsec/pixel

Orientation: 11.303 degrees

Field radius: 9.539 degrees

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

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.

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Author

tommy_nawratil
tommy_nawratil
License: None (All rights reserved)
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  • Final
    Corona Australis wide field, 





    
        

            tommy_nawratil
    Original
    Corona Australis wide field, 





    
        

            tommy_nawratil
    B

B

annotated version

Sky plot

Sky plot

Histogram

Corona Australis wide field, 





    
        

            tommy_nawratil