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Marcus Davies (marc4darkskies) | all galleries >> bellsobservatory >> photography >> Awards and Publications > M17 Swan Nebula (LHaOIIIR(+Ha)G(+Oiii)B(+Oiii)
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30-Jun-2016

M17 Swan Nebula (LHaOIIIR(+Ha)G(+Oiii)B(+Oiii)

AAPOD2: 13 September 2016

The Swan Nebula (aka Omega Nebula) lies approximately 5,500 light-years away in the constellation Sagittarius. It is a rich star forming region spanning about 40 light years.

SBIG STXL 11002,Officina Stellare RC 360
This is a 12.7 hour augmented LRGB image (LRGB with Ha and OIII added): LHaOIIIR(+Ha)G(+OIII)B(+OIII) - 100, 240, 120, 120, 90, 90 mins) using 10 min subs for LRGB and 30 min subs for Ha and OIII.

Seeing: 2.8 Arcsec (Poor)

Data: CCDAutopilot and TheSkyX
Processing: CCDStack, Photoshop CS6 full exif

other sizes: small medium large original auto
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