"M20 - Trifid Nebula|<br /> The Trifid Nebula (catalogued as Messier 20 or M20 and as NGC 6514) is an H II region located in Sagittarius. Its name means 'divided into three lobes'. The object is an unusual combination of an open cluster of stars, an emission nebula (the lower, red portion), a reflection nebula (the upper, blue portion) and a dark nebula (the apparent 'gaps' within the emission nebula that cause the trifid appearance, it is around 2000-9000 light years away and about 16 light years in diameter.<br /> **********************************************************************************************<br /> Processed using SRGB Red=Ha Green=Ha+Oiii Blue=Oiii<br /> **************************************************************************<br /> Captured using:<br /> Camera: QHY9 CCD (mono KAF 8300 chip) as main and QHY5 as guide|<br /> Filters: Ha 7nm (11x20min), OIII 8.5nm (5x20min) Bin2|<br /> MPCC Field Flattener<br /> Captured using Nebulosity 2 and PHD for guiding|<br /> Scope: GSO RC 8"" f/8
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