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Subject:NGC6781
Author: Carlos Gouveia
Scope: FLT 110 apo. refractor from William Optics.
Instruments:SBIG ST2000XM with wheel of filters CFW10.
Mount: Losmandy G11 with gemini.
Exposure time:2H in H-alpha (Luminance and Green) + 1H15m in OIII (Blue) + 1H15m in
Place & Seeing:From Palmela village in Portugal country.
Date:12 and 13 of July-2008.
Remarks:CCDsoft + MaximDL4 and Photoshop CS2.
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