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Bright Nebula NGC 6357 in Scorpius - by Mike O'Day ( https://500px.com/mikeoday ) | by Mike O'Day
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Bright Nebula NGC 6357 in Scorpius - by Mike O'Day ( https://500px.com/mikeoday )

Bright Nebula NGC 6357 in the constellation Scorpius - by Mike O'Day ( 500px.com/mikeoday )..NGC 6357 in Scorpius is a diffuse nebula discovered in 1837 by John Herschel and is around 400 light years wide and about 8,000 light years from Earth...Details:..Skywatcher Quattro 10" f4 Newtonian. .Skywatcher AZ Eq6 GT Mount.Orion 80mm f5 guide scope and auto guider - PHD2. .Baader MPCC Mark 3 Coma Corrector, UHC-S 'nebula' filter..Nikon D5300 (unmodified)..Field of view (deg) ~ 1.35 x 0.90..UHC-S - 100 x 100 sec ISO800 (14bit NEF, Long Exp. NR on)..Pixinsight and photoshop.5 October 14.re-processed 31 July 2016..Links:.https://500px.com/mikeoday.http://photo.net/photos/MikeODay

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Uploaded on August 1, 2016