astrophotography astro photo image Horseshoe Nebula, Swan Nebula ( M17 NGC6618 ) - SBIG STL 11000XM - Astro-Physics 155mm f/7, Astro-Physics 900 QMD

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Horseshoe Nebula, Swan Nebula ( M17 NGC6618 )

Size: 11' x 11' Magnitude: 7.00 RA: 18:20:48 DEC: 00:11:00 Best obeserved in June at midnight
Scope:	Astro-Physics 155mm f/7, Astro-Physics 900 QMD
Imaging Method:	prime focus
Camera/CCD:	SBIG STL 11000XM
Location:	Namibia
Condition:	Seeing: - - Transparency: 6 / 10
Exposure:	Ha: 9x 10 minutes (1x1 binning), L: 5x 5 minutes (1x1 binning), R(5) G(7) B(5) x 5 minutes (2x2 binning)
Description:	SBIG RGB filterset, MaxIm DL, PhotoShop
Photographer:	Stefan Seip, 19.05.2004 photo ranked: 6.99 with 98 votes (not realtime, last updated: 13.11.2009 12:50)
References to more Photos:	High Resolution Version of this Photo (will open new window) More of Horseshoe Nebula, Swan Nebula ( M17 NGC6618 ) More of SBIG STL 11000XM More of Astro-Physics 155mm f/7, Astro-Physics 900 QMD More of Stefan Seip More of prime focus

If you want to judge the quality of that photo, please... (Be fair and take into account that faint and small objects are more difficult than bright and big ones!)
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