NAME
M 17 - NGC 6618 - Omega Nebula (Sag)
OPTICS William Optics Triplet APO 110@F6.5
CAMERA/MOUNT SBIG ST8XE/CFW10/Selguiding/10Micron GM2000 QCI - SBIG ST402 on 80/400 reftactor
FILTERS Astrodon H-alpha 6nm
EXPOSURE Ha: 90' unbinned
NOTE Promiod (Valle D'Aosta, Italy) - 22 jun 2007 / MaxIm Dl - Photoshop CS

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