Hello to all: Then M20 goes here, using the telescope 127 Apo of Meade and camera QSI540, combined with filters of L=Nii (Nitrogen), R=Ha (Hydrogen), G=Sii (Sulfur) and B=Oiii (Oxygen). Image: http://farm4.static.flickr.com/3326/...7a563a28_o.jpg Hopefully they like and thanks to happen to see the photo. Many greetingsCesar