07  February  2017
 
        Vortex        

                                                                                                               
    



 By     Guillermo Spiers
( www.astrofotoperu.com )

You are seen 11 hours in one mosaic. It was done at Peru´s mountains, 3 hours from Lima city. The place is called Santiago de Tuna

Sigma Octantis, the southern polar star is seen at the center of the vortex.

Tech Details:

- Camera: Sony a7s

- Lens: Samyang 14 mm f2.8

- ISO: 1600

- Exposure: 20 seconds per shot (no intervals).

- N° of shots: 1777 RAW images

- All pics were procesed in Lightroom. I used startrails to make the trails over the 1777 shots.

     

 

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